45009772 has 12 divisors (see below), whose sum is σ = 79168320. Its totient is φ = 22390256.

The previous prime is 45009763. The next prime is 45009793. The reversal of 45009772 is 27790054.

It is a super-3 number, since 3×45009772³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27772 + ... + 29347.

It is an arithmetic number, because the mean of its divisors is an integer number (6597360).

Almost surely, 2^45009772 is an apocalyptic number.

It is an amenable number.

45009772 is a deficient number, since it is larger than the sum of its proper divisors (34158548).

45009772 is a wasteful number, since it uses less digits than its factorization.

45009772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57320 (or 57318 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 45009772 is about 6708.9322548376. The cubic root of 45009772 is about 355.7150752236.

The spelling of 45009772 in words is "forty-five million, nine thousand, seven hundred seventy-two".