42154345534 has 24 divisors (see below), whose sum is σ = 73564651440. Its totient is φ = 18063785376.

The previous prime is 42154345469. The next prime is 42154345549. The reversal of 42154345534 is 43554345124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870882 + ... + 918010.

It is an arithmetic number, because the mean of its divisors is an integer number (3065193810).

Almost surely, 2^42154345534 is an apocalyptic number.

42154345534 is a deficient number, since it is larger than the sum of its proper divisors (31410305906).

42154345534 is a wasteful number, since it uses less digits than its factorization.

42154345534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56272 (or 56265 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

The spelling of 42154345534 in words is "forty-two billion, one hundred fifty-four million, three hundred forty-five thousand, five hundred thirty-four".