45193693 has 2 divisors, whose sum is σ = 45193694. Its totient is φ = 45193692.

The previous prime is 45193679. The next prime is 45193721. The reversal of 45193693 is 39639154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 3229209 = 6478^2 + 1797^2 .

It is a cyclic number.

It is not a de Polignac number, because 45193693 - 2²⁵ = 11639261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45193493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22596846 + 22596847.

It is an arithmetic number, because the mean of its divisors is an integer number (22596847).

Almost surely, 2^45193693 is an apocalyptic number.

It is an amenable number.

45193693 is a deficient number, since it is larger than the sum of its proper divisors (1).

45193693 is an equidigital number, since it uses as much as digits as its factorization.

45193693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 45193693 is about 6722.6254543891. The cubic root of 45193693 is about 356.1989298701.

The spelling of 45193693 in words is "forty-five million, one hundred ninety-three thousand, six hundred ninety-three".