155013974142 has 16 divisors (see below), whose sum is σ = 326345208960. Its totient is φ = 48951781272.

The previous prime is 155013974131. The next prime is 155013974147. The reversal of 155013974142 is 241479310551.

It is a junction number, because it is equal to n+sod(n) for n = 155013974094 and 155013974103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155013974147) 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, 679885738 + ... + 679885965.

It is an arithmetic number, because the mean of its divisors is an integer number (20396575560).

Almost surely, 2^155013974142 is an apocalyptic number.

155013974142 is an abundant number, since it is smaller than the sum of its proper divisors (171331234818).

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

155013974142 is a wasteful number, since it uses less digits than its factorization.

155013974142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359771727.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 155013974142 in words is "one hundred fifty-five billion, thirteen million, nine hundred seventy-four thousand, one hundred forty-two".