157575542 has 8 divisors (see below), whose sum is σ = 243988032. Its totient is φ = 76246200.

The previous prime is 157575503. The next prime is 157575557. The reversal of 157575542 is 245575751.

It is a happy number.

157575542 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 self number, because there is not a number n which added to its sum of digits gives 157575542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270709 + ... + 1270832.

It is an arithmetic number, because the mean of its divisors is an integer number (30498504).

Almost surely, 2^157575542 is an apocalyptic number.

157575542 is a deficient number, since it is larger than the sum of its proper divisors (86412490).

157575542 is a wasteful number, since it uses less digits than its factorization.

157575542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541574.

The product of its digits is 245000, while the sum is 41.

The square root of 157575542 is about 12552.9097025351. The cubic root of 157575542 is about 540.1274756206.

The spelling of 157575542 in words is "one hundred fifty-seven million, five hundred seventy-five thousand, five hundred forty-two".