157367021 has 16 divisors (see below), whose sum is σ = 186537600. Its totient is φ = 129893568.

The previous prime is 157367003. The next prime is 157367033. The reversal of 157367021 is 120763751.

It is not a de Polignac number, because 157367021 - 2²² = 153172717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157367621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102566 + ... + 104088.

It is an arithmetic number, because the mean of its divisors is an integer number (11658600).

Almost surely, 2^157367021 is an apocalyptic number.

It is an amenable number.

157367021 is a deficient number, since it is larger than the sum of its proper divisors (29170579).

157367021 is a wasteful number, since it uses less digits than its factorization.

157367021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 157367021 is about 12544.6012690719. The cubic root of 157367021 is about 539.8891187517.

The spelling of 157367021 in words is "one hundred fifty-seven million, three hundred sixty-seven thousand, twenty-one".