45393143 has 2 divisors, whose sum is σ = 45393144. Its totient is φ = 45393142.

The previous prime is 45393133. The next prime is 45393151. The reversal of 45393143 is 34139354.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45393143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45393133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22696571 + 22696572.

It is an arithmetic number, because the mean of its divisors is an integer number (22696572).

Almost surely, 2^45393143 is an apocalyptic number.

45393143 is a deficient number, since it is larger than the sum of its proper divisors (1).

45393143 is an equidigital number, since it uses as much as digits as its factorization.

45393143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 45393143 is about 6737.4433578324. The cubic root of 45393143 is about 356.7221564270.

The spelling of 45393143 in words is "forty-five million, three hundred ninety-three thousand, one hundred forty-three".