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149832144 = 243271113513
BaseRepresentation
bin10001110111001…
…00000111010000
3101102221021001200
420323210013100
5301324112034
622511231200
73466360260
oct1073440720
9342837050
10149832144
1177638120
1242218500
1325070697
1415c837a0
15d249a99
hex8ee41d0

149832144 has 120 divisors (see below), whose sum is σ = 522829632. Its totient is φ = 38914560.

The previous prime is 149832127. The next prime is 149832149. The reversal of 149832144 is 441238941.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 149832099 and 149832108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149832149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4332 + ... + 17844.

Almost surely, 2149832144 is an apocalyptic number.

149832144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149832144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261414816).

149832144 is an abundant number, since it is smaller than the sum of its proper divisors (372997488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149832144 is a wasteful number, since it uses less digits than its factorization.

149832144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13545 (or 13536 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 149832144 is about 12240.5941032288. The cubic root of 149832144 is about 531.1310177092.

The spelling of 149832144 in words is "one hundred forty-nine million, eight hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 33 36 42 44 48 56 63 66 72 77 84 88 99 112 126 132 144 154 168 176 198 231 252 264 308 336 396 462 504 528 616 693 792 924 1008 1232 1386 1584 1848 2772 3696 5544 11088 13513 27026 40539 54052 81078 94591 108104 121617 148643 162156 189182 216208 243234 283773 297286 324312 378364 445929 486468 567546 594572 648624 756728 851319 891858 972936 1040501 1135092 1189144 1337787 1513456 1702638 1783716 1945872 2081002 2270184 2378288 2675574 3121503 3405276 3567432 4162004 4540368 5351148 6243006 6810552 7134864 8324008 9364509 10702296 12486012 13621104 16648016 18729018 21404592 24972024 37458036 49944048 74916072 149832144