157021118 has 8 divisors (see below), whose sum is σ = 241897512. Its totient is φ = 76388616.

The previous prime is 157021099. The next prime is 157021141. The reversal of 157021118 is 811120751.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060880 + ... + 1061027.

It is an arithmetic number, because the mean of its divisors is an integer number (30237189).

Almost surely, 2^157021118 is an apocalyptic number.

157021118 is a deficient number, since it is larger than the sum of its proper divisors (84876394).

157021118 is a wasteful number, since it uses less digits than its factorization.

157021118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121946.

The product of its (nonzero) digits is 560, while the sum is 26.

The square root of 157021118 is about 12530.8067577471. The cubic root of 157021118 is about 539.4932580413.

Adding to 157021118 its reverse (811120751), we get a palindrome (968141869).

The spelling of 157021118 in words is "one hundred fifty-seven million, twenty-one thousand, one hundred eighteen".