157564450 has 24 divisors (see below), whose sum is σ = 293859540. Its totient is φ = 62856000.

The previous prime is 157564417. The next prime is 157564457. The reversal of 157564450 is 54465751.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 94536729 + 63027721 = 9723^2 + 7939^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (157564457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15400 + ... + 23500.

Almost surely, 2^157564450 is an apocalyptic number.

157564450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157564450 is a deficient number, since it is larger than the sum of its proper divisors (136295090).

157564450 is a wasteful number, since it uses less digits than its factorization.

157564450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502 (or 8497 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 157564450 is about 12552.4678848424. The cubic root of 157564450 is about 540.1148018379.

The spelling of 157564450 in words is "one hundred fifty-seven million, five hundred sixty-four thousand, four hundred fifty".