45289845 has 12 divisors (see below), whose sum is σ = 78502476. Its totient is φ = 24154560.

The previous prime is 45289837. The next prime is 45289861. The reversal of 45289845 is 54898254.

45289845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16966161 + 28323684 = 4119^2 + 5322^2 .

It is not a de Polignac number, because 45289845 - 2³ = 45289837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1006441 = 45289845 / (4 + 5 + 2 + 8 + 9 + 8 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 45289845.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 503176 + ... + 503265.

It is an arithmetic number, because the mean of its divisors is an integer number (6541873).

Almost surely, 2^45289845 is an apocalyptic number.

45289845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45289845 is a deficient number, since it is larger than the sum of its proper divisors (33212631).

45289845 is a wasteful number, since it uses less digits than its factorization.

45289845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006452 (or 1006449 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 45289845 is about 6729.7730273762. The cubic root of 45289845 is about 356.4513616947.

The spelling of 45289845 in words is "forty-five million, two hundred eighty-nine thousand, eight hundred forty-five".