45003109 has 4 divisors (see below), whose sum is σ = 45030700. Its totient is φ = 44975520.

The previous prime is 45003071. The next prime is 45003139. The reversal of 45003109 is 90130054.

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 247009 + 44756100 = 497^2 + 6690^2 .

It is a cyclic number.

It is not a de Polignac number, because 45003109 - 2⁷ = 45002981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45003109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45003139) 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, 11184 + ... + 14665.

It is an arithmetic number, because the mean of its divisors is an integer number (11257675).

Almost surely, 2^45003109 is an apocalyptic number.

It is an amenable number.

45003109 is a deficient number, since it is larger than the sum of its proper divisors (27591).

45003109 is a wasteful number, since it uses less digits than its factorization.

45003109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27590.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 45003109 is about 6708.4356596751. The cubic root of 45003109 is about 355.6975216539.

The spelling of 45003109 in words is "forty-five million, three thousand, one hundred nine".