157045189722 has 16 divisors (see below), whose sum is σ = 324222327552. Its totient is φ = 50659738560.

The previous prime is 157045189687. The next prime is 157045189723. The reversal of 157045189722 is 227981540751.

It is a happy number.

It is a super-2 number, since 2×157045189722² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157045189723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422164303 + ... + 422164674.

It is an arithmetic number, because the mean of its divisors is an integer number (20263895472).

Almost surely, 2^157045189722 is an apocalyptic number.

157045189722 is an abundant number, since it is smaller than the sum of its proper divisors (167177137830).

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

157045189722 is a wasteful number, since it uses less digits than its factorization.

157045189722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844329013.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 157045189722 in words is "one hundred fifty-seven billion, forty-five million, one hundred eighty-nine thousand, seven hundred twenty-two".