155445556060 has 24 divisors (see below), whose sum is σ = 332594833536. Its totient is φ = 61005048000.

The previous prime is 155445556027. The next prime is 155445556069. The reversal of 155445556060 is 60655544551.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 155445556060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155445556069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73322316 + ... + 73324435.

It is an arithmetic number, because the mean of its divisors is an integer number (13858118064).

Almost surely, 2^155445556060 is an apocalyptic number.

155445556060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155445556060 is an abundant number, since it is smaller than the sum of its proper divisors (177149277476).

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

155445556060 is a wasteful number, since it uses less digits than its factorization.

155445556060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146646813 (or 146646811 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 155445556060 in words is "one hundred fifty-five billion, four hundred forty-five million, five hundred fifty-six thousand, sixty".