157542495 has 32 divisors (see below), whose sum is σ = 275546880. Its totient is φ = 76227840.

The previous prime is 157542487. The next prime is 157542499. The reversal of 157542495 is 594245751.

It is not a de Polignac number, because 157542495 - 2³ = 157542487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157542499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154096 + ... + 155114.

It is an arithmetic number, because the mean of its divisors is an integer number (8610840).

Almost surely, 2^157542495 is an apocalyptic number.

157542495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157542495 is a deficient number, since it is larger than the sum of its proper divisors (118004385).

157542495 is a wasteful number, since it uses less digits than its factorization.

157542495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 252000, while the sum is 42.

The square root of 157542495 is about 12551.5933251520. The cubic root of 157542495 is about 540.0897141752.

The spelling of 157542495 in words is "one hundred fifty-seven million, five hundred forty-two thousand, four hundred ninety-five".