45739943 has 2 divisors, whose sum is σ = 45739944. Its totient is φ = 45739942.

The previous prime is 45739921. The next prime is 45739949. The reversal of 45739943 is 34993754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45739943 - 2⁶ = 45739879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45739894 and 45739903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45739949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22869971 + 22869972.

It is an arithmetic number, because the mean of its divisors is an integer number (22869972).

Almost surely, 2^45739943 is an apocalyptic number.

45739943 is a deficient number, since it is larger than the sum of its proper divisors (1).

45739943 is an equidigital number, since it uses as much as digits as its factorization.

45739943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 45739943 is about 6763.1311535412. The cubic root of 45739943 is about 357.6282956813.

The spelling of 45739943 in words is "forty-five million, seven hundred thirty-nine thousand, nine hundred forty-three".