45009027 has 40 divisors (see below), whose sum is σ = 77470976. Its totient is φ = 25509168.

The previous prime is 45009001. The next prime is 45009061. The reversal of 45009027 is 72090054.

It is not a de Polignac number, because 45009027 - 2⁸ = 45008771 is a prime.

It is a super-2 number, since 2×45009027² = 4051625022973458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45009077) 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, 92178 + ... + 92664.

Almost surely, 2^45009027 is an apocalyptic number.

45009027 is a deficient number, since it is larger than the sum of its proper divisors (32461949).

45009027 is a wasteful number, since it uses less digits than its factorization.

45009027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 45009027 is about 6708.8767316146. The cubic root of 45009027 is about 355.7131126187.

The spelling of 45009027 in words is "forty-five million, nine thousand, twenty-seven".