45743213 has 2 divisors, whose sum is σ = 45743214. Its totient is φ = 45743212.

The previous prime is 45743189. The next prime is 45743219. The reversal of 45743213 is 31234754.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42994249 + 2748964 = 6557^2 + 1658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45743213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45743219) 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 as a sum of consecutive naturals, namely, 22871606 + 22871607.

It is an arithmetic number, because the mean of its divisors is an integer number (22871607).

Almost surely, 2^45743213 is an apocalyptic number.

It is an amenable number.

45743213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45743213 is an equidigital number, since it uses as much as digits as its factorization.

45743213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 45743213 is about 6763.3729011492. The cubic root of 45743213 is about 357.6368178947.

Adding to 45743213 its reverse (31234754), we get a palindrome (76977967).

The spelling of 45743213 in words is "forty-five million, seven hundred forty-three thousand, two hundred thirteen".