155142430542 has 64 divisors (see below), whose sum is σ = 398226585600. Its totient is φ = 44247392640.

The previous prime is 155142430481. The next prime is 155142430579. The reversal of 155142430542 is 245034241551.

155142430542 is a `hidden beast` number, since 1 + 55 + 14 + 24 + 30 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 155142430497 and 155142430506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7671742 + ... + 7691937.

It is an arithmetic number, because the mean of its divisors is an integer number (6222290400).

Almost surely, 2^155142430542 is an apocalyptic number.

155142430542 is an abundant number, since it is smaller than the sum of its proper divisors (243084155058).

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

155142430542 is a wasteful number, since it uses less digits than its factorization.

155142430542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363718 (or 15363712 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 155142430542 in words is "one hundred fifty-five billion, one hundred forty-two million, four hundred thirty thousand, five hundred forty-two".