542665144 has 32 divisors (see below), whose sum is σ = 1166630400. Its totient is φ = 231815520.

The previous prime is 542665091. The next prime is 542665153. The reversal of 542665144 is 441566245.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837 + ... + 32995.

It is an arithmetic number, because the mean of its divisors is an integer number (36457200).

Almost surely, 2^542665144 is an apocalyptic number.

It is an amenable number.

542665144 is an abundant number, since it is smaller than the sum of its proper divisors (623965256).

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

542665144 is a wasteful number, since it uses less digits than its factorization.

542665144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31483 (or 31479 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 542665144 is about 23295.1742642119. The cubic root of 542665144 is about 815.6627747589.

The spelling of 542665144 in words is "five hundred forty-two million, six hundred sixty-five thousand, one hundred forty-four".