45013505 has 4 divisors (see below), whose sum is σ = 54016212. Its totient is φ = 36010800.

The previous prime is 45013487. The next prime is 45013511. The reversal of 45013505 is 50531054.

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 5424241 + 39589264 = 2329^2 + 6292^2 .

It is not a de Polignac number, because 45013505 - 2²⁴ = 28236289 is a prime.

It is a Duffinian 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, 4501346 + ... + 4501355.

It is an arithmetic number, because the mean of its divisors is an integer number (13504053).

Almost surely, 2^45013505 is an apocalyptic number.

It is an amenable number.

45013505 is a deficient number, since it is larger than the sum of its proper divisors (9002707).

45013505 is an equidigital number, since it uses as much as digits as its factorization.

45013505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002706.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45013505 is about 6709.2104602554. The cubic root of 45013505 is about 355.7249089968.

Adding to 45013505 its reverse (50531054), we get a palindrome (95544559).

The spelling of 45013505 in words is "forty-five million, thirteen thousand, five hundred five".