157572522000 has 120 divisors (see below), whose sum is σ = 550348358040. Its totient is φ = 42019334400.

The previous prime is 157572521999. The next prime is 157572522059. The reversal of 157572522000 is 225275751.

157572522000 is a `hidden beast` number, since 15 + 7 + 572 + 52 + 20 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1667578896 + 155904943104 = 40836^2 + 394848^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4359015 + ... + 4395014.

It is an arithmetic number, because the mean of its divisors is an integer number (4586236317).

Almost surely, 2^157572522000 is an apocalyptic number.

157572522000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157572522000 is an abundant number, since it is smaller than the sum of its proper divisors (392775836040).

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

157572522000 is a wasteful number, since it uses less digits than its factorization.

157572522000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754058 (or 8754039 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

Adding to 157572522000 its reverse (225275751), we get a palindrome (157797797751).

The spelling of 157572522000 in words is "one hundred fifty-seven billion, five hundred seventy-two million, five hundred twenty-two thousand".