157542715 has 16 divisors (see below), whose sum is σ = 208728576. Its totient is φ = 113192800.

The previous prime is 157542691. The next prime is 157542719. The reversal of 157542715 is 517245751.

It is not a de Polignac number, because 157542715 - 2⁵ = 157542683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157542719) 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, 12691 + ... + 21820.

It is an arithmetic number, because the mean of its divisors is an integer number (13045536).

Almost surely, 2^157542715 is an apocalyptic number.

157542715 is a deficient number, since it is larger than the sum of its proper divisors (51185861).

157542715 is a wasteful number, since it uses less digits than its factorization.

157542715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34610.

The product of its digits is 49000, while the sum is 37.

The square root of 157542715 is about 12551.6020889765. The cubic root of 157542715 is about 540.0899655776.

The spelling of 157542715 in words is "one hundred fifty-seven million, five hundred forty-two thousand, seven hundred fifteen".