157634542 has 8 divisors (see below), whose sum is σ = 254640456. Its totient is φ = 72754392.

The previous prime is 157634539. The next prime is 157634551. The reversal of 157634542 is 245436751.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031408 + ... + 3031459.

It is an arithmetic number, because the mean of its divisors is an integer number (31830057).

Almost surely, 2^157634542 is an apocalyptic number.

157634542 is a deficient number, since it is larger than the sum of its proper divisors (97005914).

157634542 is a wasteful number, since it uses less digits than its factorization.

157634542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062882.

The product of its digits is 100800, while the sum is 37.

The square root of 157634542 is about 12555.2595353501. The cubic root of 157634542 is about 540.1948793648.

The spelling of 157634542 in words is "one hundred fifty-seven million, six hundred thirty-four thousand, five hundred forty-two".