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144113244 = 223117115377
BaseRepresentation
bin10001001011011…
…11111001011100
3101001011201012120
420211233321130
5243343110434
622144502540
73366641142
oct1045577134
9331151176
10144113244
1174391460
124031aa50
1323b1a612
14151d5592
15c9ba349
hex896fe5c

144113244 has 48 divisors (see below), whose sum is σ = 372024576. Its totient is φ = 43052800.

The previous prime is 144113243. The next prime is 144113269. The reversal of 144113244 is 442311441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144113243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (7750512).

Almost surely, 2144113244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144113244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186012288).

144113244 is an abundant number, since it is smaller than the sum of its proper divisors (227911332).

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

144113244 is a wasteful number, since it uses less digits than its factorization.

144113244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466 (or 15464 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 144113244 is about 12004.7175726878. The cubic root of 144113244 is about 524.2856424871.

Adding to 144113244 its reverse (442311441), we get a palindrome (586424685).

The spelling of 144113244 in words is "one hundred forty-four million, one hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 71 132 142 213 284 426 781 852 1562 2343 3124 4686 9372 15377 30754 46131 61508 92262 169147 184524 338294 507441 676588 1014882 1091767 2029764 2183534 3275301 4367068 6550602 12009437 13101204 24018874 36028311 48037748 72056622 144113244