45054409 has 2 divisors, whose sum is σ = 45054410. Its totient is φ = 45054408.

The previous prime is 45054391. The next prime is 45054431. The reversal of 45054409 is 90445054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43191184 + 1863225 = 6572^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 45054409 - 2¹⁹ = 44530121 is a prime.

It is not a weakly prime, because it can be changed into another prime (45054469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22527204 + 22527205.

It is an arithmetic number, because the mean of its divisors is an integer number (22527205).

Almost surely, 2^45054409 is an apocalyptic number.

It is an amenable number.

45054409 is a deficient number, since it is larger than the sum of its proper divisors (1).

45054409 is an equidigital number, since it uses as much as digits as its factorization.

45054409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 45054409 is about 6712.2581148225. The cubic root of 45054409 is about 355.8326260513.

The spelling of 45054409 in words is "forty-five million, fifty-four thousand, four hundred nine".