232149489 has 16 divisors (see below), whose sum is σ = 363647424. Its totient is φ = 129873600.

The previous prime is 232149473. The next prime is 232149493. The reversal of 232149489 is 984941232.

It is not a de Polignac number, because 232149489 - 2⁴ = 232149473 is a prime.

It is a super-2 number, since 2×232149489² = 107786770485922242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232149489.

It is not an unprimeable number, because it can be changed into a prime (232149499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270142 + ... + 270999.

It is an arithmetic number, because the mean of its divisors is an integer number (22727964).

Almost surely, 2^232149489 is an apocalyptic number.

It is an amenable number.

232149489 is a deficient number, since it is larger than the sum of its proper divisors (131497935).

232149489 is a wasteful number, since it uses less digits than its factorization.

232149489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541168.

The product of its digits is 124416, while the sum is 42.

The square root of 232149489 is about 15236.4526383276. The cubic root of 232149489 is about 614.5953131142.

The spelling of 232149489 in words is "two hundred thirty-two million, one hundred forty-nine thousand, four hundred eighty-nine".