156072451848 has 32 divisors (see below), whose sum is σ = 407145528000. Its totient is φ = 49762230848.

The previous prime is 156072451819. The next prime is 156072451859. The reversal of 156072451848 is 848154270651.

It is a happy number.

It is a super-2 number, since 2×156072451848² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156072451848.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141369423 + ... + 141370526.

It is an arithmetic number, because the mean of its divisors is an integer number (12723297750).

Almost surely, 2^156072451848 is an apocalyptic number.

It is an amenable number.

156072451848 is an abundant number, since it is smaller than the sum of its proper divisors (251073076152).

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

156072451848 is a wasteful number, since it uses less digits than its factorization.

156072451848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282739981 (or 282739977 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 156072451848 in words is "one hundred fifty-six billion, seventy-two million, four hundred fifty-one thousand, eight hundred forty-eight".