45819289 has 16 divisors (see below), whose sum is σ = 49029120. Its totient is φ = 42728400.

The previous prime is 45819229. The next prime is 45819299. The reversal of 45819289 is 98291854.

It is a cyclic number.

It is not a de Polignac number, because 45819289 - 2⁹ = 45818777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45819229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274284 + ... + 274450.

It is an arithmetic number, because the mean of its divisors is an integer number (3064320).

Almost surely, 2^45819289 is an apocalyptic number.

It is an amenable number.

45819289 is a deficient number, since it is larger than the sum of its proper divisors (3209831).

45819289 is a wasteful number, since it uses less digits than its factorization.

45819289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its digits is 207360, while the sum is 46.

The square root of 45819289 is about 6768.9946816348. The cubic root of 45819289 is about 357.8349712208.

The spelling of 45819289 in words is "forty-five million, eight hundred nineteen thousand, two hundred eighty-nine".