157292039 has 2 divisors, whose sum is σ = 157292040. Its totient is φ = 157292038.

The previous prime is 157292017. The next prime is 157292059. The reversal of 157292039 is 930292751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157292039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 157291993 and 157292011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157292059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78646019 + 78646020.

It is an arithmetic number, because the mean of its divisors is an integer number (78646020).

Almost surely, 2^157292039 is an apocalyptic number.

157292039 is a deficient number, since it is larger than the sum of its proper divisors (1).

157292039 is an equidigital number, since it uses as much as digits as its factorization.

157292039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 157292039 is about 12541.6122966706. The cubic root of 157292039 is about 539.8033566123.

The spelling of 157292039 in words is "one hundred fifty-seven million, two hundred ninety-two thousand, thirty-nine".