157427042 has 16 divisors (see below), whose sum is σ = 252141120. Its totient is φ = 73539312.

The previous prime is 157427029. The next prime is 157427071. The reversal of 157427042 is 240724751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37817 + ... + 41772.

It is an arithmetic number, because the mean of its divisors is an integer number (15758820).

Almost surely, 2^157427042 is an apocalyptic number.

157427042 is a deficient number, since it is larger than the sum of its proper divisors (94714078).

157427042 is a wasteful number, since it uses less digits than its factorization.

157427042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79657.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 157427042 is about 12546.9933450209. The cubic root of 157427042 is about 539.9577493235.

The spelling of 157427042 in words is "one hundred fifty-seven million, four hundred twenty-seven thousand, forty-two".