45499505 has 4 divisors (see below), whose sum is σ = 54599412. Its totient is φ = 36399600.

The previous prime is 45499477. The next prime is 45499507. The reversal of 45499505 is 50599454.

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 5973136 + 39526369 = 2444^2 + 6287^2 .

It is not a de Polignac number, because 45499505 - 2⁸ = 45499249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45499507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4549946 + ... + 4549955.

It is an arithmetic number, because the mean of its divisors is an integer number (13649853).

Almost surely, 2^45499505 is an apocalyptic number.

It is an amenable number.

45499505 is a deficient number, since it is larger than the sum of its proper divisors (9099907).

45499505 is an equidigital number, since it uses as much as digits as its factorization.

45499505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099906.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 45499505 is about 6745.3320896751. The cubic root of 45499505 is about 357.0005544693. Note that the first 3 decimals are identical.

The spelling of 45499505 in words is "forty-five million, four hundred ninety-nine thousand, five hundred five".