157812126 has 16 divisors (see below), whose sum is σ = 320070528. Its totient is φ = 51863000.

The previous prime is 157812101. The next prime is 157812143. The reversal of 157812126 is 621218751.

It is a super-2 number, since 2×157812126² = 49809334225279752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184800 + ... + 185651.

It is an arithmetic number, because the mean of its divisors is an integer number (20004408).

Almost surely, 2^157812126 is an apocalyptic number.

157812126 is an abundant number, since it is smaller than the sum of its proper divisors (162258402).

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

157812126 is a wasteful number, since it uses less digits than its factorization.

157812126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370527.

The product of its digits is 6720, while the sum is 33.

The square root of 157812126 is about 12562.3296406359. The cubic root of 157812126 is about 540.3976563393.

The spelling of 157812126 in words is "one hundred fifty-seven million, eight hundred twelve thousand, one hundred twenty-six".