256224154 has 16 divisors (see below), whose sum is σ = 396319392. Its totient is φ = 124176208.

The previous prime is 256224127. The next prime is 256224179. The reversal of 256224154 is 451422652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 23359.

It is an arithmetic number, because the mean of its divisors is an integer number (24769962).

Almost surely, 2^256224154 is an apocalyptic number.

256224154 is a deficient number, since it is larger than the sum of its proper divisors (140095238).

256224154 is a wasteful number, since it uses less digits than its factorization.

256224154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29261.

The product of its digits is 19200, while the sum is 31.

The square root of 256224154 is about 16007.0032798147. The cubic root of 256224154 is about 635.1456908357.

The spelling of 256224154 in words is "two hundred fifty-six million, two hundred twenty-four thousand, one hundred fifty-four".