42537144 has 32 divisors (see below), whose sum is σ = 114523920. Its totient is φ = 13088256.

The previous prime is 42537139. The next prime is 42537149. The reversal of 42537144 is 44173524.

It is an interprime number because it is at equal distance from previous prime (42537139) and next prime (42537149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42537149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67857 + ... + 68480.

Almost surely, 2^42537144 is an apocalyptic number.

It is an amenable number.

42537144 is an abundant number, since it is smaller than the sum of its proper divisors (71986776).

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

42537144 is a wasteful number, since it uses less digits than its factorization.

42537144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136359 (or 136355 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 42537144 is about 6522.0505977798. The cubic root of 42537144 is about 349.0782385217.

The spelling of 42537144 in words is "forty-two million, five hundred thirty-seven thousand, one hundred forty-four".