45179789 has 2 divisors, whose sum is σ = 45179790. Its totient is φ = 45179788.

The previous prime is 45179753. The next prime is 45179801. The reversal of 45179789 is 98797154.

45179789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 19758025 = 5042^2 + 4445^2 .

It is a cyclic number.

It is not a de Polignac number, because 45179789 - 2¹⁶ = 45114253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45179689) 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, 22589894 + 22589895.

It is an arithmetic number, because the mean of its divisors is an integer number (22589895).

Almost surely, 2^45179789 is an apocalyptic number.

It is an amenable number.

45179789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45179789 is an equidigital number, since it uses as much as digits as its factorization.

45179789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 50.

The square root of 45179789 is about 6721.5912550526. The cubic root of 45179789 is about 356.1623975019.

The spelling of 45179789 in words is "forty-five million, one hundred seventy-nine thousand, seven hundred eighty-nine".