45944919 has 6 divisors (see below), whose sum is σ = 66364896. Its totient is φ = 30629940.

The previous prime is 45944911. The next prime is 45944933. The reversal of 45944919 is 91944954.

45944919 is a `hidden beast` number, since 4 + 594 + 49 + 19 = 666.

45944919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45944919 - 2³ = 45944911 is a prime.

It is a super-2 number, since 2×45944919² = 4221871163833122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45944911) 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 5 ways as a sum of consecutive naturals, for example, 2552487 + ... + 2552504.

It is an arithmetic number, because the mean of its divisors is an integer number (11060816).

Almost surely, 2^45944919 is an apocalyptic number.

45944919 is a deficient number, since it is larger than the sum of its proper divisors (20419977).

45944919 is a wasteful number, since it uses less digits than its factorization.

45944919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104997 (or 5104994 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 45944919 is about 6778.2681416421. The cubic root of 45944919 is about 358.1617170399.

The spelling of 45944919 in words is "forty-five million, nine hundred forty-four thousand, nine hundred nineteen".