155945299104 has 72 divisors (see below), whose sum is σ = 506822228640. Its totient is φ = 44555799168.

The previous prime is 155945299067. The next prime is 155945299129. The reversal of 155945299104 is 401992549551.

It is a happy number.

155945299104 is a `hidden beast` number, since 1 + 5 + 5 + 9 + 4 + 529 + 9 + 104 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38674894 + ... + 38678925.

It is an arithmetic number, because the mean of its divisors is an integer number (7039197620).

Almost surely, 2^155945299104 is an apocalyptic number.

155945299104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155945299104 is an abundant number, since it is smaller than the sum of its proper divisors (350876929536).

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

155945299104 is a wasteful number, since it uses less digits than its factorization.

155945299104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77353842 (or 77353831 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 54.

The spelling of 155945299104 in words is "one hundred fifty-five billion, nine hundred forty-five million, two hundred ninety-nine thousand, one hundred four".