45811089 has 16 divisors (see below), whose sum is σ = 68709440. Its totient is φ = 30539268.

The previous prime is 45811067. The next prime is 45811099. The reversal of 45811089 is 98011854.

It is not a de Polignac number, because 45811089 - 2⁵ = 45811057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45811099) 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, 8287 + ... + 12660.

It is an arithmetic number, because the mean of its divisors is an integer number (4294340).

Almost surely, 2^45811089 is an apocalyptic number.

It is an amenable number.

45811089 is a deficient number, since it is larger than the sum of its proper divisors (22898351).

45811089 is an frugal number, since it uses more digits than its factorization.

45811089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968 (or 20950 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 45811089 is about 6768.3889515896. The cubic root of 45811089 is about 357.8136234298.

The spelling of 45811089 in words is "forty-five million, eight hundred eleven thousand, eighty-nine".