45457205 has 4 divisors (see below), whose sum is σ = 54548652. Its totient is φ = 36365760.

The previous prime is 45457189. The next prime is 45457211. The reversal of 45457205 is 50275454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7091569 + 38365636 = 2663^2 + 6194^2 .

It is not a de Polignac number, because 45457205 - 2⁴ = 45457189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545716 + ... + 4545725.

It is an arithmetic number, because the mean of its divisors is an integer number (13637163).

Almost surely, 2^45457205 is an apocalyptic number.

It is an amenable number.

45457205 is a deficient number, since it is larger than the sum of its proper divisors (9091447).

45457205 is an equidigital number, since it uses as much as digits as its factorization.

45457205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091446.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 45457205 is about 6742.1958589172. The cubic root of 45457205 is about 356.8898880228.

The spelling of 45457205 in words is "forty-five million, four hundred fifty-seven thousand, two hundred five".