157042534 has 8 divisors (see below), whose sum is σ = 256978728. Its totient is φ = 71382960.

The previous prime is 157042519. The next prime is 157042537. The reversal of 157042534 is 435240751.

157042534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 157042496 and 157042505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157042537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569127 + ... + 3569170.

It is an arithmetic number, because the mean of its divisors is an integer number (32122341).

Almost surely, 2^157042534 is an apocalyptic number.

157042534 is a deficient number, since it is larger than the sum of its proper divisors (99936194).

157042534 is a wasteful number, since it uses less digits than its factorization.

157042534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138310.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 157042534 is about 12531.6612625781. The cubic root of 157042534 is about 539.5177839618.

The spelling of 157042534 in words is "one hundred fifty-seven million, forty-two thousand, five hundred thirty-four".