45119909 has 4 divisors (see below), whose sum is σ = 46339404. Its totient is φ = 43900416.

The previous prime is 45119869. The next prime is 45119917. The reversal of 45119909 is 90991154.

45119909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 27269284 + 17850625 = 5222^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 45119909 - 2¹² = 45115813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45119929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609692 + ... + 609765.

It is an arithmetic number, because the mean of its divisors is an integer number (11584851).

Almost surely, 2^45119909 is an apocalyptic number.

It is an amenable number.

45119909 is a deficient number, since it is larger than the sum of its proper divisors (1219495).

45119909 is a wasteful number, since it uses less digits than its factorization.

45119909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219494.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 45119909 is about 6717.1354757813. The cubic root of 45119909 is about 356.0049787840.

The spelling of 45119909 in words is "forty-five million, one hundred nineteen thousand, nine hundred nine".