45437238 has 48 divisors (see below), whose sum is σ = 122743296. Its totient is φ = 11801520.

The previous prime is 45437207. The next prime is 45437251. The reversal of 45437238 is 83273454.

It is a happy number.

45437238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15006 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (2557152).

Almost surely, 2^45437238 is an apocalyptic number.

45437238 is an abundant number, since it is smaller than the sum of its proper divisors (77306058).

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

45437238 is a wasteful number, since it uses less digits than its factorization.

45437238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32809 (or 32806 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 45437238 is about 6740.7149472441. The cubic root of 45437238 is about 356.8376259445.

It can be divided in two parts, 4543 and 7238, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 45437238 in words is "forty-five million, four hundred thirty-seven thousand, two hundred thirty-eight".