256037151 has 8 divisors (see below), whose sum is σ = 350609584. Its totient is φ = 166078080.

The previous prime is 256037149. The next prime is 256037189. The reversal of 256037151 is 151730652.

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

It is not a de Polignac number, because 256037151 - 2¹ = 256037149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256037651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153210 + ... + 1153431.

It is an arithmetic number, because the mean of its divisors is an integer number (43826198).

Almost surely, 2^256037151 is an apocalyptic number.

256037151 is a deficient number, since it is larger than the sum of its proper divisors (94572433).

256037151 is a wasteful number, since it uses less digits than its factorization.

256037151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306681.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 256037151 is about 16001.1609266328. The cubic root of 256037151 is about 634.9911346852.

The spelling of 256037151 in words is "two hundred fifty-six million, thirty-seven thousand, one hundred fifty-one".