151257 has 8 divisors (see below), whose sum is σ = 203776. Its totient is φ = 99792.

The previous prime is 151253. The next prime is 151273. The reversal of 151257 is 752151.

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

It is not a de Polignac number, because 151257 - 2² = 151253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151257.

It is not an unprimeable number, because it can be changed into a prime (151253) 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, 183 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (25472).

2¹⁵¹²⁵⁷ is an apocalyptic number.

It is an amenable number.

151257 is a deficient number, since it is larger than the sum of its proper divisors (52519).

151257 is a wasteful number, since it uses less digits than its factorization.

151257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527.

The product of its digits is 350, while the sum is 21.

The square root of 151257 is about 388.9177290893. The cubic root of 151257 is about 53.2809337778.

The spelling of 151257 in words is "one hundred fifty-one thousand, two hundred fifty-seven".