45000027 has 24 divisors (see below), whose sum is σ = 66515904. Its totient is φ = 29309424.

The previous prime is 45000023. The next prime is 45000031. The reversal of 45000027 is 72000054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45000023) and next prime (45000031).

It is not a de Polignac number, because 45000027 - 2² = 45000023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44999973 and 45000009.

It is not an unprimeable number, because it can be changed into a prime (45000023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79648 + ... + 80210.

It is an arithmetic number, because the mean of its divisors is an integer number (2771496).

Almost surely, 2^45000027 is an apocalyptic number.

45000027 is a deficient number, since it is larger than the sum of its proper divisors (21515877).

45000027 is a wasteful number, since it uses less digits than its factorization.

45000027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 45000027 is about 6708.2059449602. The cubic root of 45000027 is about 355.6894015869.

The spelling of 45000027 in words is "forty-five million, twenty-seven", and thus it is an aban number and an uban number.