256151546 has 32 divisors (see below), whose sum is σ = 466290432. Its totient is φ = 103023360.

The previous prime is 256151527. The next prime is 256151569. The reversal of 256151546 is 645151652.

It is a super-2 number, since 2×256151546² = 131227229036380232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93131 + ... + 95841.

It is an arithmetic number, because the mean of its divisors is an integer number (14571576).

Almost surely, 2^256151546 is an apocalyptic number.

256151546 is a deficient number, since it is larger than the sum of its proper divisors (210138886).

256151546 is a wasteful number, since it uses less digits than its factorization.

256151546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134.

The product of its digits is 36000, while the sum is 35.

The square root of 256151546 is about 16004.7351118349. The cubic root of 256151546 is about 635.0856899675.

The spelling of 256151546 in words is "two hundred fifty-six million, one hundred fifty-one thousand, five hundred forty-six".