256423150 has 12 divisors (see below), whose sum is σ = 476947152. Its totient is φ = 102569240.

The previous prime is 256423127. The next prime is 256423163. The reversal of 256423150 is 51324652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2564182 + ... + 2564281.

It is an arithmetic number, because the mean of its divisors is an integer number (39745596).

Almost surely, 2^256423150 is an apocalyptic number.

256423150 is a deficient number, since it is larger than the sum of its proper divisors (220524002).

256423150 is a wasteful number, since it uses less digits than its factorization.

256423150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128475 (or 5128470 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 256423150 is about 16013.2179776583. The cubic root of 256423150 is about 635.3100765158.

The spelling of 256423150 in words is "two hundred fifty-six million, four hundred twenty-three thousand, one hundred fifty".