45414909 has 6 divisors (see below), whose sum is σ = 65599326. Its totient is φ = 30276600.

The previous prime is 45414881. The next prime is 45414917. The reversal of 45414909 is 90941454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 1258884 = 6645^2 + 1122^2 .

It is not a de Polignac number, because 45414909 - 2⁷ = 45414781 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45412909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2523042 + ... + 2523059.

It is an arithmetic number, because the mean of its divisors is an integer number (10933221).

Almost surely, 2^45414909 is an apocalyptic number.

It is an amenable number.

45414909 is a deficient number, since it is larger than the sum of its proper divisors (20184417).

45414909 is a wasteful number, since it uses less digits than its factorization.

45414909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046107 (or 5046104 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 45414909 is about 6739.0584653941. The cubic root of 45414909 is about 356.7791633761.

The spelling of 45414909 in words is "forty-five million, four hundred fourteen thousand, nine hundred nine".