45014909 has 4 divisors (see below), whose sum is σ = 45086880. Its totient is φ = 44942940.

The previous prime is 45014899. The next prime is 45014917. The reversal of 45014909 is 90941054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90941054 = 2 ⋅45470527.

It is a cyclic number.

It is not a de Polignac number, because 45014909 - 2⁸ = 45014653 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45014969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35039 + ... + 36300.

It is an arithmetic number, because the mean of its divisors is an integer number (11271720).

Almost surely, 2^45014909 is an apocalyptic number.

It is an amenable number.

45014909 is a deficient number, since it is larger than the sum of its proper divisors (71971).

45014909 is an equidigital number, since it uses as much as digits as its factorization.

45014909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71970.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 45014909 is about 6709.3150917214. The cubic root of 45014909 is about 355.7286073875.

The spelling of 45014909 in words is "forty-five million, fourteen thousand, nine hundred nine".