156147000919 has 16 divisors (see below), whose sum is σ = 193318108480. Its totient is φ = 123544867680.

The previous prime is 156147000907. The next prime is 156147000959. The reversal of 156147000919 is 919000741651.

It is a happy number.

It is not a de Polignac number, because 156147000919 - 2⁵ = 156147000887 is a prime.

It is a super-2 number, since 2×156147000919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156147000959) 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, 5061252 + ... + 5092009.

It is an arithmetic number, because the mean of its divisors is an integer number (12082381780).

Almost surely, 2^156147000919 is an apocalyptic number.

156147000919 is the 228143-rd hex number.

156147000919 is a deficient number, since it is larger than the sum of its proper divisors (37171107561).

156147000919 is an equidigital number, since it uses as much as digits as its factorization.

156147000919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153307 (or 10153281 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 156147000919 in words is "one hundred fifty-six billion, one hundred forty-seven million, nine hundred nineteen", and thus it is an aban number.