157127155 has 16 divisors (see below), whose sum is σ = 192451968. Its totient is φ = 123120000.

The previous prime is 157127153. The next prime is 157127161. The reversal of 157127155 is 551721751.

It is not a de Polignac number, because 157127155 - 2¹ = 157127153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157127155.

It is not an unprimeable number, because it can be changed into a prime (157127153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81705 + ... + 83605.

It is an arithmetic number, because the mean of its divisors is an integer number (12028248).

Almost surely, 2^157127155 is an apocalyptic number.

157127155 is a deficient number, since it is larger than the sum of its proper divisors (35324813).

157127155 is a wasteful number, since it uses less digits than its factorization.

157127155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its digits is 12250, while the sum is 34.

The square root of 157127155 is about 12535.0370960759. The cubic root of 157127155 is about 539.6146713793.

The spelling of 157127155 in words is "one hundred fifty-seven million, one hundred twenty-seven thousand, one hundred fifty-five".