256154030 has 32 divisors (see below), whose sum is σ = 503729280. Its totient is φ = 93010720.

The previous prime is 256154027. The next prime is 256154057. The reversal of 256154030 is 30451652.

It is a super-2 number, since 2×256154030² = 131229774170481800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102941 + ... + 105399.

It is an arithmetic number, because the mean of its divisors is an integer number (15741540).

Almost surely, 2^256154030 is an apocalyptic number.

256154030 is a deficient number, since it is larger than the sum of its proper divisors (247575250).

256154030 is a wasteful number, since it uses less digits than its factorization.

256154030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 256154030 is about 16004.8127136808. The cubic root of 256154030 is about 635.0877428508.

The spelling of 256154030 in words is "two hundred fifty-six million, one hundred fifty-four thousand, thirty".