45300509 has 8 divisors (see below), whose sum is σ = 46405920. Its totient is φ = 44207856.

The previous prime is 45300481. The next prime is 45300511. The reversal of 45300509 is 90500354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45300509 is a prime.

It is a super-2 number, since 2×45300509² = 4104272231318162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45300539) 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, 4202 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (5800740).

Almost surely, 2^45300509 is an apocalyptic number.

It is an amenable number.

45300509 is a deficient number, since it is larger than the sum of its proper divisors (1105411).

45300509 is a wasteful number, since it uses less digits than its factorization.

45300509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 45300509 is about 6730.5652808661. The cubic root of 45300509 is about 356.4793363176.

The spelling of 45300509 in words is "forty-five million, three hundred thousand, five hundred nine".