45344369 has 4 divisors (see below), whose sum is σ = 51822144. Its totient is φ = 38866596.

The previous prime is 45344359. The next prime is 45344381. The reversal of 45344369 is 96344354.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45344369 - 2²⁰ = 44295793 is a prime.

It is a super-2 number, since 2×45344369² = 4112223600016322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45344359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238877 + ... + 3238890.

It is an arithmetic number, because the mean of its divisors is an integer number (12955536).

Almost surely, 2^45344369 is an apocalyptic number.

It is an amenable number.

45344369 is a deficient number, since it is larger than the sum of its proper divisors (6477775).

45344369 is an equidigital number, since it uses as much as digits as its factorization.

45344369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477774.

The product of its digits is 155520, while the sum is 38.

The square root of 45344369 is about 6733.8227627403. The cubic root of 45344369 is about 356.5943470960.

The spelling of 45344369 in words is "forty-five million, three hundred forty-four thousand, three hundred sixty-nine".