157423400 has 48 divisors (see below), whose sum is σ = 387547740. Its totient is φ = 59264000.

The previous prime is 157423393. The next prime is 157423403. The reversal of 157423400 is 4324751.

It can be written as a sum of positive squares in 6 ways, for example, as 64609444 + 92813956 = 8038^2 + 9634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157423400.

It is not an unprimeable number, because it can be changed into a prime (157423403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19751 + ... + 26550.

Almost surely, 2^157423400 is an apocalyptic number.

157423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157423400 is an abundant number, since it is smaller than the sum of its proper divisors (230124340).

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

157423400 is a wasteful number, since it uses less digits than its factorization.

157423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46334 (or 46325 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 157423400 is about 12546.8482098095. The cubic root of 157423400 is about 539.9535854025.

The spelling of 157423400 in words is "one hundred fifty-seven million, four hundred twenty-three thousand, four hundred".