45504619 has 2 divisors, whose sum is σ = 45504620. Its totient is φ = 45504618.

The previous prime is 45504617. The next prime is 45504643. The reversal of 45504619 is 91640554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45504619 - 2¹ = 45504617 is a prime.

It is a super-2 number, since 2×45504619² = 4141340700670322, which contains 22 as substring.

Together with 45504617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45504611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752309 + 22752310.

It is an arithmetic number, because the mean of its divisors is an integer number (22752310).

Almost surely, 2^45504619 is an apocalyptic number.

45504619 is a deficient number, since it is larger than the sum of its proper divisors (1).

45504619 is an equidigital number, since it uses as much as digits as its factorization.

45504619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 45504619 is about 6745.7111559864. The cubic root of 45504619 is about 357.0139292114.

The spelling of 45504619 in words is "forty-five million, five hundred four thousand, six hundred nineteen".