157613837 has 2 divisors, whose sum is σ = 157613838. Its totient is φ = 157613836.

The previous prime is 157613803. The next prime is 157613843. The reversal of 157613837 is 738316751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 58690921 = 9946^2 + 7661^2 .

It is a cyclic number.

It is not a de Polignac number, because 157613837 - 2¹² = 157609741 is a prime.

It is a super-2 number, since 2×157613837² = 49684243227725138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157613794 and 157613803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157613857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78806918 + 78806919.

It is an arithmetic number, because the mean of its divisors is an integer number (78806919).

Almost surely, 2^157613837 is an apocalyptic number.

It is an amenable number.

157613837 is a deficient number, since it is larger than the sum of its proper divisors (1).

157613837 is an equidigital number, since it uses as much as digits as its factorization.

157613837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 157613837 is about 12554.4349534338. The cubic root of 157613837 is about 540.1712271361.

The spelling of 157613837 in words is "one hundred fifty-seven million, six hundred thirteen thousand, eight hundred thirty-seven".