42737144 has 16 divisors (see below), whose sum is σ = 80367000. Its totient is φ = 21305952.

The previous prime is 42737143. The next prime is 42737161. The reversal of 42737144 is 44173724.

42737144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42737144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42737143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862 + ... + 10445.

Almost surely, 2^42737144 is an apocalyptic number.

It is an amenable number.

42737144 is a deficient number, since it is larger than the sum of its proper divisors (37629856).

42737144 is a wasteful number, since it uses less digits than its factorization.

42737144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15662 (or 15658 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 42737144 is about 6537.3652184959. The cubic root of 42737144 is about 349.6244788736.

The spelling of 42737144 in words is "forty-two million, seven hundred thirty-seven thousand, one hundred forty-four".