155120076 has 24 divisors (see below), whose sum is σ = 402163440. Its totient is φ = 51706656.

The previous prime is 155120051. The next prime is 155120081. The reversal of 155120076 is 670021551.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 718041 + ... + 718256.

It is an arithmetic number, because the mean of its divisors is an integer number (16756810).

Almost surely, 2^155120076 is an apocalyptic number.

It is an amenable number.

155120076 is an abundant number, since it is smaller than the sum of its proper divisors (247043364).

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

155120076 is a wasteful number, since it uses less digits than its factorization.

155120076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436310 (or 1436302 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 155120076 is about 12454.7210326045. The cubic root of 155120076 is about 537.3072116241.

The spelling of 155120076 in words is "one hundred fifty-five million, one hundred twenty thousand, seventy-six".