156081513 has 12 divisors (see below), whose sum is σ = 242085840. Its totient is φ = 89189352.

The previous prime is 156081463. The next prime is 156081517. The reversal of 156081513 is 315180651.

It is not a de Polignac number, because 156081513 - 2¹⁷ = 155950441 is a prime.

It is a super-2 number, since 2×156081513² = 48722877400738338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156081517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530743 + ... + 531036.

It is an arithmetic number, because the mean of its divisors is an integer number (20173820).

Almost surely, 2^156081513 is an apocalyptic number.

It is an amenable number.

156081513 is a deficient number, since it is larger than the sum of its proper divisors (86004327).

156081513 is a wasteful number, since it uses less digits than its factorization.

156081513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061796 (or 1061789 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 156081513 is about 12493.2587021962. The cubic root of 156081513 is about 538.4150059533.

The spelling of 156081513 in words is "one hundred fifty-six million, eighty-one thousand, five hundred thirteen".