45361872 has 30 divisors (see below), whose sum is σ = 126950642. Its totient is φ = 15120576.

The previous prime is 45361843. The next prime is 45361903. The reversal of 45361872 is 27816354.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 2903616 = 6516^2 + 1704^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157363 + ... + 157650.

Almost surely, 2^45361872 is an apocalyptic number.

It is an amenable number.

45361872 is an abundant number, since it is smaller than the sum of its proper divisors (81588770).

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

45361872 is a wasteful number, since it uses less digits than its factorization.

45361872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315027 (or 315018 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45361872 is about 6735.1222706050. The cubic root of 45361872 is about 356.6402231926.

The spelling of 45361872 in words is "forty-five million, three hundred sixty-one thousand, eight hundred seventy-two".