45628387 has 4 divisors (see below), whose sum is σ = 52146736. Its totient is φ = 39110040.

The previous prime is 45628379. The next prime is 45628403. The reversal of 45628387 is 78382654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45628387 - 2³ = 45628379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45628307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3259164 + ... + 3259177.

It is an arithmetic number, because the mean of its divisors is an integer number (13036684).

Almost surely, 2^45628387 is an apocalyptic number.

45628387 is a deficient number, since it is larger than the sum of its proper divisors (6518349).

45628387 is an equidigital number, since it uses as much as digits as its factorization.

45628387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518348.

The product of its digits is 322560, while the sum is 43.

The square root of 45628387 is about 6754.8787553886. The cubic root of 45628387 is about 357.3373168885.

The spelling of 45628387 in words is "forty-five million, six hundred twenty-eight thousand, three hundred eighty-seven".