45359919 has 20 divisors (see below), whose sum is σ = 73921320. Its totient is φ = 27490320.

The previous prime is 45359911. The next prime is 45359939. The reversal of 45359919 is 91995354.

It is a happy number.

45359919 is a `hidden beast` number, since 4 + 53 + 599 + 1 + 9 = 666.

45359919 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 45359919 - 2³ = 45359911 is a prime.

It is a super-2 number, since 2×45359919² = 4115044503373122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45359911) 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 19 ways as a sum of consecutive naturals, for example, 24564 + ... + 26345.

It is an arithmetic number, because the mean of its divisors is an integer number (3696066).

Almost surely, 2^45359919 is an apocalyptic number.

45359919 is a deficient number, since it is larger than the sum of its proper divisors (28561401).

45359919 is a wasteful number, since it uses less digits than its factorization.

45359919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50932 (or 50923 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 45359919 is about 6734.9772828125. The cubic root of 45359919 is about 356.6351048827.

The spelling of 45359919 in words is "forty-five million, three hundred fifty-nine thousand, nine hundred nineteen".