156230155785 has 64 divisors (see below), whose sum is σ = 273832876800. Its totient is φ = 75431854080.

The previous prime is 156230155769. The next prime is 156230155793. The reversal of 156230155785 is 587551032651.

It is not a de Polignac number, because 156230155785 - 2⁴ = 156230155769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61097727 + ... + 61100283.

It is an arithmetic number, because the mean of its divisors is an integer number (4278638700).

Almost surely, 2^156230155785 is an apocalyptic number.

156230155785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156230155785 is a deficient number, since it is larger than the sum of its proper divisors (117602721015).

156230155785 is a wasteful number, since it uses less digits than its factorization.

156230155785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 156230155785 in words is "one hundred fifty-six billion, two hundred thirty million, one hundred fifty-five thousand, seven hundred eighty-five".