42054156 has 36 divisors (see below), whose sum is σ = 107408392. Its totient is φ = 13872384.

The previous prime is 42054139. The next prime is 42054157. The reversal of 42054156 is 65145024.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (42054157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2530 + ... + 9513.

Almost surely, 2^42054156 is an apocalyptic number.

It is an amenable number.

42054156 is an abundant number, since it is smaller than the sum of its proper divisors (65354236).

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

42054156 is a wasteful number, since it uses less digits than its factorization.

42054156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150 (or 12145 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 42054156 is about 6484.9175785048. The cubic root of 42054156 is about 347.7520032555.

The spelling of 42054156 in words is "forty-two million, fifty-four thousand, one hundred fifty-six".