45272289 has 8 divisors (see below), whose sum is σ = 60410560. Its totient is φ = 30157776.

The previous prime is 45272287. The next prime is 45272317. The reversal of 45272289 is 98227254.

45272289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45272289 - 2¹ = 45272287 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45272287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (7551320).

Almost surely, 2^45272289 is an apocalyptic number.

It is an amenable number.

45272289 is a deficient number, since it is larger than the sum of its proper divisors (15138271).

45272289 is a wasteful number, since it uses less digits than its factorization.

45272289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879.

The product of its digits is 80640, while the sum is 39.

The square root of 45272289 is about 6728.4685478941. The cubic root of 45272289 is about 356.4052978815.

The spelling of 45272289 in words is "forty-five million, two hundred seventy-two thousand, two hundred eighty-nine".