157613427 has 6 divisors (see below), whose sum is σ = 227663852. Its totient is φ = 105075612.

The previous prime is 157613387. The next prime is 157613437. The reversal of 157613427 is 724316751.

It is a happy number.

157613427 is a `hidden beast` number, since 15 + 7 + 613 + 4 + 27 = 666.

It is not a de Polignac number, because 157613427 - 2¹⁴ = 157597043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157613391 and 157613400.

It is not an unprimeable number, because it can be changed into a prime (157613437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8756293 + ... + 8756310.

Almost surely, 2^157613427 is an apocalyptic number.

157613427 is a deficient number, since it is larger than the sum of its proper divisors (70050425).

157613427 is a wasteful number, since it uses less digits than its factorization.

157613427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512609 (or 17512606 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 157613427 is about 12554.4186245322. The cubic root of 157613427 is about 540.1707587542.

The spelling of 157613427 in words is "one hundred fifty-seven million, six hundred thirteen thousand, four hundred twenty-seven".