45744455 has 16 divisors (see below), whose sum is σ = 57002400. Its totient is φ = 35199360.

The previous prime is 45744443. The next prime is 45744481. The reversal of 45744455 is 55444754.

It is a happy number.

It is not a de Polignac number, because 45744455 - 2²⁰ = 44695879 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56000 + ... + 56810.

It is an arithmetic number, because the mean of its divisors is an integer number (3562650).

Almost surely, 2^45744455 is an apocalyptic number.

45744455 is a deficient number, since it is larger than the sum of its proper divisors (11257945).

45744455 is a wasteful number, since it uses less digits than its factorization.

45744455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its digits is 224000, while the sum is 38.

The square root of 45744455 is about 6763.4647186187. The cubic root of 45744455 is about 357.6400546656.

The spelling of 45744455 in words is "forty-five million, seven hundred forty-four thousand, four hundred fifty-five".