45572405 has 4 divisors (see below), whose sum is σ = 54686892. Its totient is φ = 36457920.

The previous prime is 45572399. The next prime is 45572437. The reversal of 45572405 is 50427554.

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 34774609 + 10797796 = 5897^2 + 3286^2 .

It is not a de Polignac number, because 45572405 - 2¹⁰ = 45571381 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, 4557236 + ... + 4557245.

It is an arithmetic number, because the mean of its divisors is an integer number (13671723).

Almost surely, 2^45572405 is an apocalyptic number.

It is an amenable number.

45572405 is a deficient number, since it is larger than the sum of its proper divisors (9114487).

45572405 is an equidigital number, since it uses as much as digits as its factorization.

45572405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114486.

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

The square root of 45572405 is about 6750.7336638324. The cubic root of 45572405 is about 357.1911166405.

Adding to 45572405 its reverse (50427554), we get a palindrome (95999959).

The spelling of 45572405 in words is "forty-five million, five hundred seventy-two thousand, four hundred five".