45490419 has 24 divisors (see below), whose sum is σ = 74928672. Its totient is φ = 26346240.

The previous prime is 45490409. The next prime is 45490441. The reversal of 45490419 is 91409454.

It is a happy number.

45490419 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 45490419 - 2²⁰ = 44441843 is a prime.

It is a super-2 number, since 2×45490419² = 4138756441591122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45490409) 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 23 ways as a sum of consecutive naturals, for example, 9447 + ... + 13424.

It is an arithmetic number, because the mean of its divisors is an integer number (3122028).

Almost surely, 2^45490419 is an apocalyptic number.

45490419 is a deficient number, since it is larger than the sum of its proper divisors (29438253).

45490419 is a wasteful number, since it uses less digits than its factorization.

45490419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22907 (or 22904 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 45490419 is about 6744.6585532553. The cubic root of 45490419 is about 356.9767892072.

The spelling of 45490419 in words is "forty-five million, four hundred ninety thousand, four hundred nineteen".