45443009 has 8 divisors (see below), whose sum is σ = 47578752. Its totient is φ = 43320640.

The previous prime is 45442973. The next prime is 45443017. The reversal of 45443009 is 90034454.

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 45443009 - 2⁸ = 45442753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45443059) 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, 3977 + ... + 10329.

It is an arithmetic number, because the mean of its divisors is an integer number (5947344).

Almost surely, 2^45443009 is an apocalyptic number.

It is an amenable number.

45443009 is a deficient number, since it is larger than the sum of its proper divisors (2135743).

45443009 is a wasteful number, since it uses less digits than its factorization.

45443009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45443009 is about 6741.1430039720. The cubic root of 45443009 is about 356.8527326635.

The spelling of 45443009 in words is "forty-five million, four hundred forty-three thousand, nine".