232147155 has 64 divisors (see below), whose sum is σ = 407306880. Its totient is φ = 112459776.

The previous prime is 232147141. The next prime is 232147159. The reversal of 232147155 is 551741232.

It is a de Polignac number, because none of the positive numbers 2^k-232147155 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232147159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1202739 + ... + 1202931.

It is an arithmetic number, because the mean of its divisors is an integer number (6364170).

Almost surely, 2^232147155 is an apocalyptic number.

232147155 is a deficient number, since it is larger than the sum of its proper divisors (175159725).

232147155 is a wasteful number, since it uses less digits than its factorization.

232147155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 8400, while the sum is 30.

The square root of 232147155 is about 15236.3760455037. The cubic root of 232147155 is about 614.5932534209.

Adding to 232147155 its reverse (551741232), we get a palindrome (783888387).

The spelling of 232147155 in words is "two hundred thirty-two million, one hundred forty-seven thousand, one hundred fifty-five".