45443727 has 40 divisors (see below), whose sum is σ = 78652080. Its totient is φ = 25930800.

The previous prime is 45443707. The next prime is 45443731. The reversal of 45443727 is 72734454.

It is not a de Polignac number, because 45443727 - 2⁶ = 45443663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45443691 and 45443700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443707) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64477 + ... + 65177.

It is an arithmetic number, because the mean of its divisors is an integer number (1966302).

Almost surely, 2^45443727 is an apocalyptic number.

45443727 is a deficient number, since it is larger than the sum of its proper divisors (33208353).

45443727 is an frugal number, since it uses more digits than its factorization.

45443727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 711 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 45443727 is about 6741.1962588253. The cubic root of 45443727 is about 356.8546120792.

The spelling of 45443727 in words is "forty-five million, four hundred forty-three thousand, seven hundred twenty-seven".