45875649 has 4 divisors (see below), whose sum is σ = 61167536. Its totient is φ = 30583764.

The previous prime is 45875647. The next prime is 45875719. The reversal of 45875649 is 94657854.

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 45875649 - 2¹ = 45875647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45875598 and 45875607.

It is not an unprimeable number, because it can be changed into a prime (45875647) 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, 7645939 + ... + 7645944.

It is an arithmetic number, because the mean of its divisors is an integer number (15291884).

Almost surely, 2^45875649 is an apocalyptic number.

It is an amenable number.

45875649 is a deficient number, since it is larger than the sum of its proper divisors (15291887).

45875649 is a wasteful number, since it uses less digits than its factorization.

45875649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15291886.

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

The square root of 45875649 is about 6773.1565019568. The cubic root of 45875649 is about 357.9816293643.

The spelling of 45875649 in words is "forty-five million, eight hundred seventy-five thousand, six hundred forty-nine".