45745449 has 8 divisors (see below), whose sum is σ = 61161600. Its totient is φ = 30413136.

The previous prime is 45745417. The next prime is 45745457. The reversal of 45745449 is 94454754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45745449 - 2⁵ = 45745417 is a prime.

It is a super-2 number, since 2×45745449² = 4185292208423202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45745449.

It is not an unprimeable number, because it can be changed into a prime (45745489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19674 + ... + 21875.

It is an arithmetic number, because the mean of its divisors is an integer number (7645200).

Almost surely, 2^45745449 is an apocalyptic number.

It is an amenable number.

45745449 is a deficient number, since it is larger than the sum of its proper divisors (15416151).

45745449 is a wasteful number, since it uses less digits than its factorization.

45745449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41919.

The product of its digits is 403200, while the sum is 42.

The square root of 45745449 is about 6763.5382012671. The cubic root of 45745449 is about 357.6426450826.

The spelling of 45745449 in words is "forty-five million, seven hundred forty-five thousand, four hundred forty-nine".