232257745 has 8 divisors (see below), whose sum is σ = 281266920. Its totient is φ = 184101120.

The previous prime is 232257733. The next prime is 232257763. The reversal of 232257745 is 547752232.

It can be written as a sum of positive squares in 4 ways, for example, as 20729809 + 211527936 = 4553^2 + 14544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232257745 - 2¹³ = 232249553 is a prime.

It is a super-2 number, since 2×232257745² = 107887320224970050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212536 + ... + 213625.

It is an arithmetic number, because the mean of its divisors is an integer number (35158365).

Almost surely, 2^232257745 is an apocalyptic number.

It is an amenable number.

232257745 is a deficient number, since it is larger than the sum of its proper divisors (49009175).

232257745 is a wasteful number, since it uses less digits than its factorization.

232257745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426275.

The product of its digits is 117600, while the sum is 37.

The square root of 232257745 is about 15240.0047572171. The cubic root of 232257745 is about 614.6908310083.

The spelling of 232257745 in words is "two hundred thirty-two million, two hundred fifty-seven thousand, seven hundred forty-five".