156218454730 has 32 divisors (see below), whose sum is σ = 302850180864. Its totient is φ = 57675571776.

The previous prime is 156218454703. The next prime is 156218454787. The reversal of 156218454730 is 37454812651.

156218454730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631359 + ... + 1724461.

It is an arithmetic number, because the mean of its divisors is an integer number (9464068152).

Almost surely, 2^156218454730 is an apocalyptic number.

156218454730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156218454730 is a deficient number, since it is larger than the sum of its proper divisors (146631726134).

156218454730 is a wasteful number, since it uses less digits than its factorization.

156218454730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106030.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 156218454730 in words is "one hundred fifty-six billion, two hundred eighteen million, four hundred fifty-four thousand, seven hundred thirty".