157504051 has 4 divisors (see below), whose sum is σ = 158706504. Its totient is φ = 156301600.

The previous prime is 157504043. The next prime is 157504063. The reversal of 157504051 is 150405751.

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 157504051 - 2³ = 157504043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157504021) 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, 601030 + ... + 601291.

It is an arithmetic number, because the mean of its divisors is an integer number (39676626).

Almost surely, 2^157504051 is an apocalyptic number.

157504051 is a deficient number, since it is larger than the sum of its proper divisors (1202453).

157504051 is a wasteful number, since it uses less digits than its factorization.

157504051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202452.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 157504051 is about 12550.0617926766. The cubic root of 157504051 is about 540.0457791550.

The spelling of 157504051 in words is "one hundred fifty-seven million, five hundred four thousand, fifty-one".