45609289 has 8 divisors (see below), whose sum is σ = 49845600. Its totient is φ = 41388000.

The previous prime is 45609287. The next prime is 45609293. The reversal of 45609289 is 98290654.

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 45609289 - 2¹ = 45609287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45609287) 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, 3162 + ... + 10060.

It is an arithmetic number, because the mean of its divisors is an integer number (6230700).

Almost surely, 2^45609289 is an apocalyptic number.

It is an amenable number.

45609289 is a deficient number, since it is larger than the sum of its proper divisors (4236311).

45609289 is a wasteful number, since it uses less digits than its factorization.

45609289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 45609289 is about 6753.4649625211. The cubic root of 45609289 is about 357.2874547969.

The spelling of 45609289 in words is "forty-five million, six hundred nine thousand, two hundred eighty-nine".