258449152 has 36 divisors (see below), whose sum is σ = 555579640. Its totient is φ = 119282688.

The previous prime is 258449129. The next prime is 258449209. The reversal of 258449152 is 251944852.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35502 + ... + 42157.

Almost surely, 2^258449152 is an apocalyptic number.

It is an amenable number.

258449152 is an abundant number, since it is smaller than the sum of its proper divisors (297130488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258449152 is an equidigital number, since it uses as much as digits as its factorization.

258449152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77688 (or 77674 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 258449152 is about 16076.3538154645. The cubic root of 258449152 is about 636.9788863024.

The spelling of 258449152 in words is "two hundred fifty-eight million, four hundred forty-nine thousand, one hundred fifty-two".