45520345 has 16 divisors (see below), whose sum is σ = 58966992. Its totient is φ = 33534720.

The previous prime is 45520331. The next prime is 45520357. The reversal of 45520345 is 54302554.

It can be written as a sum of positive squares in 8 ways, for example, as 16908544 + 28611801 = 4112^2 + 5349^2 .

It is not a de Polignac number, because 45520345 - 2²⁵ = 11965913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52939 + ... + 53791.

It is an arithmetic number, because the mean of its divisors is an integer number (3685437).

Almost surely, 2^45520345 is an apocalyptic number.

It is an amenable number.

45520345 is a deficient number, since it is larger than the sum of its proper divisors (13446647).

45520345 is a wasteful number, since it uses less digits than its factorization.

45520345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 45520345 is about 6746.8766848076. The cubic root of 45520345 is about 357.0550514428.

Adding to 45520345 its reverse (54302554), we get a palindrome (99822899).

The spelling of 45520345 in words is "forty-five million, five hundred twenty thousand, three hundred forty-five".