45311089 has 2 divisors, whose sum is σ = 45311090. Its totient is φ = 45311088.

The previous prime is 45311087. The next prime is 45311107. The reversal of 45311089 is 98011354.

45311089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33005025 + 12306064 = 5745^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 45311089 - 2¹ = 45311087 is a prime.

Together with 45311087, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45311089.

It is not a weakly prime, because it can be changed into another prime (45311083) 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 as a sum of consecutive naturals, namely, 22655544 + 22655545.

It is an arithmetic number, because the mean of its divisors is an integer number (22655545).

Almost surely, 2^45311089 is an apocalyptic number.

It is an amenable number.

45311089 is a deficient number, since it is larger than the sum of its proper divisors (1).

45311089 is an equidigital number, since it uses as much as digits as its factorization.

45311089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 45311089 is about 6731.3512016534. The cubic root of 45311089 is about 356.5070862472.

The spelling of 45311089 in words is "forty-five million, three hundred eleven thousand, eighty-nine".