45671789 has 2 divisors, whose sum is σ = 45671790. Its totient is φ = 45671788.

The previous prime is 45671783. The next prime is 45671797. The reversal of 45671789 is 98717654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45670564 + 1225 = 6758^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 45671789 - 2⁸ = 45671533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45671783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22835894 + 22835895.

It is an arithmetic number, because the mean of its divisors is an integer number (22835895).

Almost surely, 2^45671789 is an apocalyptic number.

It is an amenable number.

45671789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45671789 is an equidigital number, since it uses as much as digits as its factorization.

45671789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 45671789 is about 6758.0906327157. The cubic root of 45671789 is about 357.4505814618.

The spelling of 45671789 in words is "forty-five million, six hundred seventy-one thousand, seven hundred eighty-nine".