45357489 has 20 divisors (see below), whose sum is σ = 68911920. Its totient is φ = 29722680.

The previous prime is 45357463. The next prime is 45357497. The reversal of 45357489 is 98475354.

It is not a de Polignac number, because 45357489 - 2⁸ = 45357233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45357419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (3445596).

Almost surely, 2^45357489 is an apocalyptic number.

It is an amenable number.

45357489 is a deficient number, since it is larger than the sum of its proper divisors (23554431).

45357489 is an equidigital number, since it uses as much as digits as its factorization.

45357489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562 (or 9553 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 45357489 is about 6734.7968788969. The cubic root of 45357489 is about 356.6287362736.

The spelling of 45357489 in words is "forty-five million, three hundred fifty-seven thousand, four hundred eighty-nine".