45549005 has 8 divisors (see below), whose sum is σ = 55555224. Its totient is φ = 35841600.

The previous prime is 45548983. The next prime is 45549017. The reversal of 45549005 is 50094554.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 45549001 = 2^2 + 6749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45549005 - 2⁶ = 45548941 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 7 ways as a sum of consecutive naturals, for example, 74366 + ... + 74975.

It is an arithmetic number, because the mean of its divisors is an integer number (6944403).

Almost surely, 2^45549005 is an apocalyptic number.

It is an amenable number.

45549005 is a deficient number, since it is larger than the sum of its proper divisors (10006219).

45549005 is a wasteful number, since it uses less digits than its factorization.

45549005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149407.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 45549005 is about 6749.0002963402. Note that the first 3 decimals coincide. The cubic root of 45549005 is about 357.1299706969.

The spelling of 45549005 in words is "forty-five million, five hundred forty-nine thousand, five".