232013146 has 4 divisors (see below), whose sum is σ = 348019722. Its totient is φ = 116006572.

The previous prime is 232013143. The next prime is 232013179. The reversal of 232013146 is 641310232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 231800625 + 212521 = 15225^2 + 461^2 .

It is not an unprimeable number, because it can be changed into a prime (232013141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58003285 + ... + 58003288.

Almost surely, 2^232013146 is an apocalyptic number.

232013146 is a deficient number, since it is larger than the sum of its proper divisors (116006576).

232013146 is a wasteful number, since it uses less digits than its factorization.

232013146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116006575.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 232013146 is about 15231.9777442064. The cubic root of 232013146 is about 614.4749708596.

Adding to 232013146 its reverse (641310232), we get a palindrome (873323378).

The spelling of 232013146 in words is "two hundred thirty-two million, thirteen thousand, one hundred forty-six".