232155505 has 8 divisors (see below), whose sum is σ = 279041832. Its totient is φ = 185420928.

The previous prime is 232155499. The next prime is 232155523. The reversal of 232155505 is 505551232.

It can be written as a sum of positive squares in 4 ways, for example, as 3268864 + 228886641 = 1808^2 + 15129^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232155505 is a prime.

It is a Duffinian number.

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, 34542 + ... + 40711.

It is an arithmetic number, because the mean of its divisors is an integer number (34880229).

Almost surely, 2^232155505 is an apocalyptic number.

It is an amenable number.

232155505 is a deficient number, since it is larger than the sum of its proper divisors (46886327).

232155505 is an equidigital number, since it uses as much as digits as its factorization.

232155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75875.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 232155505 is about 15236.6500583298. The cubic root of 232155505 is about 614.6006220117.

The spelling of 232155505 in words is "two hundred thirty-two million, one hundred fifty-five thousand, five hundred five".