45999738 has 20 divisors (see below), whose sum is σ = 103073850. Its totient is φ = 15333192.

The previous prime is 45999719. The next prime is 45999749. The reversal of 45999738 is 83799954.

It can be written as a sum of positive squares in only one way, i.e., 33489369 + 12510369 = 5787^2 + 3537^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 141813 + ... + 142136.

Almost surely, 2^45999738 is an apocalyptic number.

45999738 is an abundant number, since it is smaller than the sum of its proper divisors (57074112).

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

45999738 is a wasteful number, since it uses less digits than its factorization.

45999738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283963 (or 283954 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 45999738 is about 6782.3106682015. The cubic root of 45999738 is about 358.3041068405.

The spelling of 45999738 in words is "forty-five million, nine hundred ninety-nine thousand, seven hundred thirty-eight".