155246402124 has 144 divisors (see below), whose sum is σ = 434504528640. Its totient is φ = 46342128000.

The previous prime is 155246402107. The next prime is 155246402141. The reversal of 155246402124 is 421204642551.

155246402124 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 4 + 640 + 2 + 1 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (155246402107) and next prime (155246402141).

It is a super-2 number, since 2×155246402124² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60195067 + ... + 60197645.

It is an arithmetic number, because the mean of its divisors is an integer number (3017392560).

Almost surely, 2^155246402124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155246402124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217252264320).

155246402124 is an abundant number, since it is smaller than the sum of its proper divisors (279258126516).

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

155246402124 is a wasteful number, since it uses less digits than its factorization.

155246402124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 155246402124 in words is "one hundred fifty-five billion, two hundred forty-six million, four hundred two thousand, one hundred twenty-four".