45344509 has 8 divisors (see below), whose sum is σ = 52701120. Its totient is φ = 38207616.

The previous prime is 45344501. The next prime is 45344513. The reversal of 45344509 is 90544354.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45344509 - 2³ = 45344501 is a prime.

It is a super-3 number, since 3×45344509³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45344501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54484 + ... + 55309.

It is an arithmetic number, because the mean of its divisors is an integer number (6587640).

Almost surely, 2^45344509 is an apocalyptic number.

It is an amenable number.

45344509 is a deficient number, since it is larger than the sum of its proper divisors (7356611).

45344509 is a wasteful number, since it uses less digits than its factorization.

45344509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109859.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 45344509 is about 6733.8331580163. The cubic root of 45344509 is about 356.5947140887.

The spelling of 45344509 in words is "forty-five million, three hundred forty-four thousand, five hundred nine".