157051171 has 4 divisors (see below), whose sum is σ = 157279144. Its totient is φ = 156823200.

The previous prime is 157051127. The next prime is 157051201. The reversal of 157051171 is 171150751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157051171 - 2⁹ = 157050659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157051471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112950 + ... + 114331.

It is an arithmetic number, because the mean of its divisors is an integer number (39319786).

Almost surely, 2^157051171 is an apocalyptic number.

157051171 is a deficient number, since it is larger than the sum of its proper divisors (227973).

157051171 is an equidigital number, since it uses as much as digits as its factorization.

157051171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227972.

The product of its (nonzero) digits is 1225, while the sum is 28.

The square root of 157051171 is about 12532.0058649843. The cubic root of 157051171 is about 539.5276745512.

The spelling of 157051171 in words is "one hundred fifty-seven million, fifty-one thousand, one hundred seventy-one".