45039051 has 8 divisors (see below), whose sum is σ = 66724560. Its totient is φ = 30026016.

The previous prime is 45039047. The next prime is 45039053. The reversal of 45039051 is 15093054.

It is not a de Polignac number, because 45039051 - 2² = 45039047 is a prime.

It is a super-2 number, since 2×45039051² = 4057032229961202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1668113 = 45039051 / (4 + 5 + 0 + 3 + 9 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (45039053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 834030 + ... + 834083.

It is an arithmetic number, because the mean of its divisors is an integer number (8340570).

Almost surely, 2^45039051 is an apocalyptic number.

45039051 is a deficient number, since it is larger than the sum of its proper divisors (21685509).

45039051 is a wasteful number, since it uses less digits than its factorization.

45039051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668122 (or 1668116 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 45039051 is about 6711.1139909854. The cubic root of 45039051 is about 355.7921897680.

The spelling of 45039051 in words is "forty-five million, thirty-nine thousand, fifty-one".