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144541332 = 223213308849
BaseRepresentation
bin10001001110110…
…00011010010100
3101001222110102200
420213120122110
5244000310312
622202004500
73403403205
oct1047303224
9331873380
10144541332
1174654051
12404a6730
1323c3a420
14152a75ac
15ca520dc
hex89d8694

144541332 has 36 divisors (see below), whose sum is σ = 393474900. Its totient is φ = 44474112.

The previous prime is 144541321. The next prime is 144541333. The reversal of 144541332 is 233145441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39765636 + 104775696 = 6306^2 + 10236^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 144541296 and 144541305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144541333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153957 + ... + 154892.

Almost surely, 2144541332 is an apocalyptic number.

144541332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144541332 is an abundant number, since it is smaller than the sum of its proper divisors (248933568).

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

144541332 is a wasteful number, since it uses less digits than its factorization.

144541332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308872 (or 308867 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144541332 is about 12022.5343418100. The cubic root of 144541332 is about 524.8042590018.

Adding to 144541332 its reverse (233145441), we get a palindrome (377686773).

The spelling of 144541332 in words is "one hundred forty-four million, five hundred forty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 308849 617698 926547 1235396 1853094 2779641 3706188 4015037 5559282 8030074 11118564 12045111 16060148 24090222 36135333 48180444 72270666 144541332