45000387 has 12 divisors (see below), whose sum is σ = 66718920. Its totient is φ = 29977020.

The previous prime is 45000353. The next prime is 45000407. The reversal of 45000387 is 78300054.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 45000387 - 2¹⁵ = 44967619 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45000387.

It is not an unprimeable number, because it can be changed into a prime (45000287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34212 + ... + 35502.

It is an arithmetic number, because the mean of its divisors is an integer number (5559910).

Almost surely, 2^45000387 is an apocalyptic number.

45000387 is a deficient number, since it is larger than the sum of its proper divisors (21718533).

45000387 is an frugal number, since it uses more digits than its factorization.

45000387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 45000387 is about 6708.2327777143. The cubic root of 45000387 is about 355.6903500888.

Multiplying 45000387 by its sum of digits (27), we get a square (1215010449 = 34857²).

45000387 divided by its sum of digits (27) gives a square (1666681 = 1291²).

The spelling of 45000387 in words is "forty-five million, three hundred eighty-seven", and thus it is an aban number.