157038547 has 2 divisors, whose sum is σ = 157038548. Its totient is φ = 157038546.

The previous prime is 157038533. The next prime is 157038551. The reversal of 157038547 is 745830751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157038547 is a prime.

It is a super-2 number, since 2×157038547² = 49322210487742418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157038577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78519273 + 78519274.

It is an arithmetic number, because the mean of its divisors is an integer number (78519274).

Almost surely, 2^157038547 is an apocalyptic number.

157038547 is a deficient number, since it is larger than the sum of its proper divisors (1).

157038547 is an equidigital number, since it uses as much as digits as its factorization.

157038547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 157038547 is about 12531.5021844949. The cubic root of 157038547 is about 539.5132181593.

The spelling of 157038547 in words is "one hundred fifty-seven million, thirty-eight thousand, five hundred forty-seven".