45743189 has 2 divisors, whose sum is σ = 45743190. Its totient is φ = 45743188.

The previous prime is 45743177. The next prime is 45743213. The reversal of 45743189 is 98134754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 8898289 = 6070^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 45743189 - 2⁸ = 45742933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45743689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22871594 + 22871595.

It is an arithmetic number, because the mean of its divisors is an integer number (22871595).

Almost surely, 2^45743189 is an apocalyptic number.

It is an amenable number.

45743189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45743189 is an equidigital number, since it uses as much as digits as its factorization.

45743189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 45743189 is about 6763.3711268864. The cubic root of 45743189 is about 357.6367553478.

The spelling of 45743189 in words is "forty-five million, seven hundred forty-three thousand, one hundred eighty-nine".