45657489 has 4 divisors (see below), whose sum is σ = 60876656. Its totient is φ = 30438324.

The previous prime is 45657487. The next prime is 45657511. The reversal of 45657489 is 98475654.

45657489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45657489 - 2¹ = 45657487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45657487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7609579 + ... + 7609584.

It is an arithmetic number, because the mean of its divisors is an integer number (15219164).

Almost surely, 2^45657489 is an apocalyptic number.

It is an amenable number.

45657489 is a deficient number, since it is larger than the sum of its proper divisors (15219167).

45657489 is a wasteful number, since it uses less digits than its factorization.

45657489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15219166.

The product of its digits is 1209600, while the sum is 48.

The square root of 45657489 is about 6757.0325587494. The cubic root of 45657489 is about 357.4132712170.

The spelling of 45657489 in words is "forty-five million, six hundred fifty-seven thousand, four hundred eighty-nine".