45748249 has 4 divisors (see below), whose sum is σ = 46721664. Its totient is φ = 44774836.

The previous prime is 45748237. The next prime is 45748271. The reversal of 45748249 is 94284754.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45748249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45748229) 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, 486637 + ... + 486730.

It is an arithmetic number, because the mean of its divisors is an integer number (11680416).

Almost surely, 2^45748249 is an apocalyptic number.

It is an amenable number.

45748249 is a deficient number, since it is larger than the sum of its proper divisors (973415).

45748249 is an equidigital number, since it uses as much as digits as its factorization.

45748249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973414.

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

The square root of 45748249 is about 6763.7451903513. The cubic root of 45748249 is about 357.6499418302.

The spelling of 45748249 in words is "forty-five million, seven hundred forty-eight thousand, two hundred forty-nine".