256152046 has 8 divisors (see below), whose sum is σ = 384919560. Its totient is φ = 127845528.

The previous prime is 256152037. The next prime is 256152047. The reversal of 256152046 is 640251652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×256152046² = 131227741339972232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256151999 and 256152017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256152047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113856 + ... + 116083.

It is an arithmetic number, because the mean of its divisors is an integer number (48114945).

Almost surely, 2^256152046 is an apocalyptic number.

256152046 is a deficient number, since it is larger than the sum of its proper divisors (128767514).

256152046 is a wasteful number, since it uses less digits than its factorization.

256152046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230498.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 256152046 is about 16004.7507322045. The cubic root of 256152046 is about 635.0861031898.

The spelling of 256152046 in words is "two hundred fifty-six million, one hundred fifty-two thousand, forty-six".