45437838 has 32 divisors (see below), whose sum is σ = 99545760. Its totient is φ = 13762560.

The previous prime is 45437837. The next prime is 45437851. The reversal of 45437838 is 83873454.

It is a super-2 number, since 2×45437838² = 4129194244228488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45437838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45437837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4723 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (3110805).

Almost surely, 2^45437838 is an apocalyptic number.

45437838 is an abundant number, since it is smaller than the sum of its proper divisors (54107922).

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

45437838 is a wasteful number, since it uses less digits than its factorization.

45437838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15412.

The product of its digits is 322560, while the sum is 42.

The square root of 45437838 is about 6740.7594527620. The cubic root of 45437838 is about 356.8391966212.

The spelling of 45437838 in words is "forty-five million, four hundred thirty-seven thousand, eight hundred thirty-eight".