156712145838 has 32 divisors (see below), whose sum is σ = 315498616704. Its totient is φ = 51891826272.

The previous prime is 156712145833. The next prime is 156712145867. The reversal of 156712145838 is 838541217651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156712145833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4264981 + ... + 4301567.

It is an arithmetic number, because the mean of its divisors is an integer number (9859331772).

Almost surely, 2^156712145838 is an apocalyptic number.

156712145838 is an abundant number, since it is smaller than the sum of its proper divisors (158786470866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156712145838 is a wasteful number, since it uses less digits than its factorization.

156712145838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41296.

The product of its digits is 1612800, while the sum is 51.

The spelling of 156712145838 in words is "one hundred fifty-six billion, seven hundred twelve million, one hundred forty-five thousand, eight hundred thirty-eight".