45009179 has 4 divisors (see below), whose sum is σ = 46461120. Its totient is φ = 43557240.

The previous prime is 45009163. The next prime is 45009187. The reversal of 45009179 is 97190054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45009179 - 2⁴ = 45009163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45009109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725924 + ... + 725985.

It is an arithmetic number, because the mean of its divisors is an integer number (11615280).

Almost surely, 2^45009179 is an apocalyptic number.

45009179 is a deficient number, since it is larger than the sum of its proper divisors (1451941).

45009179 is a wasteful number, since it uses less digits than its factorization.

45009179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451940.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 45009179 is about 6708.8880598800. Note that the first 3 decimals coincide. The cubic root of 45009179 is about 355.7135130446.

The spelling of 45009179 in words is "forty-five million, nine thousand, one hundred seventy-nine".