45194465 has 4 divisors (see below), whose sum is σ = 54233364. Its totient is φ = 36155568.

The previous prime is 45194459. The next prime is 45194477. The reversal of 45194465 is 56449154.

45194465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56449154 = 2 ⋅28224577.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 34058896 = 3337^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 45194465 - 2¹⁰ = 45193441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4519442 + ... + 4519451.

It is an arithmetic number, because the mean of its divisors is an integer number (13558341).

Almost surely, 2^45194465 is an apocalyptic number.

It is an amenable number.

45194465 is a deficient number, since it is larger than the sum of its proper divisors (9038899).

45194465 is an equidigital number, since it uses as much as digits as its factorization.

45194465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038898.

The product of its digits is 86400, while the sum is 38.

The square root of 45194465 is about 6722.6828721873. The cubic root of 45194465 is about 356.2009580588.

The spelling of 45194465 in words is "forty-five million, one hundred ninety-four thousand, four hundred sixty-five".