155476015772 has 48 divisors (see below), whose sum is σ = 344969936640. Its totient is φ = 59548368000.

The previous prime is 155476015727. The next prime is 155476015801. The reversal of 155476015772 is 277510674551.

It is a happy number.

155476015772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155476015772.

It is a congruent 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, 4259729 + ... + 4296072.

It is an arithmetic number, because the mean of its divisors is an integer number (7186873680).

Almost surely, 2^155476015772 is an apocalyptic number.

It is an amenable number.

155476015772 is an abundant number, since it is smaller than the sum of its proper divisors (189493920868).

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

155476015772 is a wasteful number, since it uses less digits than its factorization.

155476015772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555882 (or 8555880 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 155476015772 in words is "one hundred fifty-five billion, four hundred seventy-six million, fifteen thousand, seven hundred seventy-two".