157240422 has 48 divisors (see below), whose sum is σ = 350558208. Its totient is φ = 50909040.

The previous prime is 157240399. The next prime is 157240423. The reversal of 157240422 is 224042751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157240423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172147 + ... + 173057.

It is an arithmetic number, because the mean of its divisors is an integer number (7303296).

Almost surely, 2^157240422 is an apocalyptic number.

157240422 is an abundant number, since it is smaller than the sum of its proper divisors (193317786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157240422 is a wasteful number, since it uses less digits than its factorization.

157240422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 157240422 is about 12539.5542982994. The cubic root of 157240422 is about 539.7443028114.

The spelling of 157240422 in words is "one hundred fifty-seven million, two hundred forty thousand, four hundred twenty-two".