45017409 has 8 divisors (see below), whose sum is σ = 60642400. Its totient is φ = 29702016.

The previous prime is 45017393. The next prime is 45017429. The reversal of 45017409 is 90471054.

It is a happy number.

45017409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45017409 - 2⁴ = 45017393 is a prime.

It is a super-2 number, since 2×45017409² = 4053134226146562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45017429) 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 7 ways as a sum of consecutive naturals, for example, 77059 + ... + 77640.

It is an arithmetic number, because the mean of its divisors is an integer number (7580300).

Almost surely, 2^45017409 is an apocalyptic number.

It is an amenable number.

45017409 is a deficient number, since it is larger than the sum of its proper divisors (15624991).

45017409 is a wasteful number, since it uses less digits than its factorization.

45017409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154799.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 45017409 is about 6709.5013972724. The cubic root of 45017409 is about 355.7351926505.

The spelling of 45017409 in words is "forty-five million, seventeen thousand, four hundred nine".