157064539 has 4 divisors (see below), whose sum is σ = 163893456. Its totient is φ = 150235624.

The previous prime is 157064533. The next prime is 157064543. The reversal of 157064539 is 935460751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157064539 - 2¹⁷ = 156933467 is a prime.

It is a super-2 number, since 2×157064539² = 49338538822565042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157064533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414424 + ... + 3414469.

It is an arithmetic number, because the mean of its divisors is an integer number (40973364).

Almost surely, 2^157064539 is an apocalyptic number.

157064539 is a deficient number, since it is larger than the sum of its proper divisors (6828917).

157064539 is an equidigital number, since it uses as much as digits as its factorization.

157064539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828916.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 157064539 is about 12532.5392079977. The cubic root of 157064539 is about 539.5429820914.

The spelling of 157064539 in words is "one hundred fifty-seven million, sixty-four thousand, five hundred thirty-nine".