45329789 has 4 divisors (see below), whose sum is σ = 45458556. Its totient is φ = 45201024.

The previous prime is 45329777. The next prime is 45329797. The reversal of 45329789 is 98792354.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24581764 + 20748025 = 4958^2 + 4555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45329789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45329189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63854 + ... + 64559.

It is an arithmetic number, because the mean of its divisors is an integer number (11364639).

Almost surely, 2^45329789 is an apocalyptic number.

It is an amenable number.

45329789 is a deficient number, since it is larger than the sum of its proper divisors (128767).

45329789 is a wasteful number, since it uses less digits than its factorization.

45329789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128766.

The product of its digits is 544320, while the sum is 47.

The square root of 45329789 is about 6732.7400811260. The cubic root of 45329789 is about 356.5561232912.

The spelling of 45329789 in words is "forty-five million, three hundred twenty-nine thousand, seven hundred eighty-nine".