45409099 has 16 divisors (see below), whose sum is σ = 48615840. Its totient is φ = 42336000.

The previous prime is 45409087. The next prime is 45409103. The reversal of 45409099 is 99090454.

It is a cyclic number.

It is not a de Polignac number, because 45409099 - 2⁷ = 45408971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45409009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215104 + ... + 215314.

It is an arithmetic number, because the mean of its divisors is an integer number (3038490).

Almost surely, 2^45409099 is an apocalyptic number.

45409099 is a deficient number, since it is larger than the sum of its proper divisors (3206741).

45409099 is a wasteful number, since it uses less digits than its factorization.

45409099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 45409099 is about 6738.6273824867. The cubic root of 45409099 is about 356.7639482894.

The spelling of 45409099 in words is "forty-five million, four hundred nine thousand, ninety-nine".