230156739 has 24 divisors (see below), whose sum is σ = 342206592. Its totient is φ = 148970880.

The previous prime is 230156723. The next prime is 230156743. The reversal of 230156739 is 937651032.

It is not a de Polignac number, because 230156739 - 2⁴ = 230156723 is a prime.

It is a super-2 number, since 2×230156739² = 105944249014228242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230156749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80889 + ... + 83685.

It is an arithmetic number, because the mean of its divisors is an integer number (14258608).

Almost surely, 2^230156739 is an apocalyptic number.

230156739 is a deficient number, since it is larger than the sum of its proper divisors (112049853).

230156739 is a wasteful number, since it uses less digits than its factorization.

230156739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 230156739 is about 15170.9175398194. The cubic root of 230156739 is about 612.8317139199.

The spelling of 230156739 in words is "two hundred thirty million, one hundred fifty-six thousand, seven hundred thirty-nine".