157021802 has 16 divisors (see below), whose sum is σ = 270371520. Its totient is φ = 66997248.

The previous prime is 157021801. The next prime is 157021811. The reversal of 157021802 is 208120751.

It is not an unprimeable number, because it can be changed into a prime (157021801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21527 + ... + 27882.

It is an arithmetic number, because the mean of its divisors is an integer number (16898220).

Almost surely, 2^157021802 is an apocalyptic number.

157021802 is a deficient number, since it is larger than the sum of its proper divisors (113349718).

157021802 is a wasteful number, since it uses less digits than its factorization.

157021802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49645.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 157021802 is about 12530.8340504533. The cubic root of 157021802 is about 539.4940414027.

The spelling of 157021802 in words is "one hundred fifty-seven million, twenty-one thousand, eight hundred two".