42531135154 has 32 divisors (see below), whose sum is σ = 65388312576. Its totient is φ = 20742099840.

The previous prime is 42531135137. The next prime is 42531135187. The reversal of 42531135154 is 45153113524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7725967 + ... + 7731469.

It is an arithmetic number, because the mean of its divisors is an integer number (2043384768).

Almost surely, 2^42531135154 is an apocalyptic number.

42531135154 is a deficient number, since it is larger than the sum of its proper divisors (22857177422).

42531135154 is a wasteful number, since it uses less digits than its factorization.

42531135154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130.

The product of its digits is 36000, while the sum is 34.

Adding to 42531135154 its reverse (45153113524), we get a palindrome (87684248678).

The spelling of 42531135154 in words is "forty-two billion, five hundred thirty-one million, one hundred thirty-five thousand, one hundred fifty-four".