45030385 has 4 divisors (see below), whose sum is σ = 54036468. Its totient is φ = 36024304.

The previous prime is 45030379. The next prime is 45030413. The reversal of 45030385 is 58303054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58303054 = 2 ⋅29151527.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 13490929 = 5616^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 45030385 - 2²³ = 36641777 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4503034 + ... + 4503043.

It is an arithmetic number, because the mean of its divisors is an integer number (13509117).

Almost surely, 2^45030385 is an apocalyptic number.

It is an amenable number.

45030385 is a deficient number, since it is larger than the sum of its proper divisors (9006083).

45030385 is an equidigital number, since it uses as much as digits as its factorization.

45030385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006082.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45030385 is about 6710.4683145068. The cubic root of 45030385 is about 355.7693688838.

The spelling of 45030385 in words is "forty-five million, thirty thousand, three hundred eighty-five".