45105493 has 2 divisors, whose sum is σ = 45105494. Its totient is φ = 45105492.

The previous prime is 45105481. The next prime is 45105497. The reversal of 45105493 is 39450154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31102929 + 14002564 = 5577^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 45105493 - 2¹⁷ = 44974421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45105497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22552746 + 22552747.

It is an arithmetic number, because the mean of its divisors is an integer number (22552747).

Almost surely, 2^45105493 is an apocalyptic number.

It is an amenable number.

45105493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45105493 is an equidigital number, since it uses as much as digits as its factorization.

45105493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45105493 is about 6716.0623135882. The cubic root of 45105493 is about 355.9670597178.

The spelling of 45105493 in words is "forty-five million, one hundred five thousand, four hundred ninety-three".