45942739 has 2 divisors, whose sum is σ = 45942740. Its totient is φ = 45942738.

The previous prime is 45942733. The next prime is 45942763. The reversal of 45942739 is 93724954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45942739 - 2⁹ = 45942227 is a prime.

It is a super-2 number, since 2×45942739² = 4221470533644242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45942695 and 45942704.

It is not a weakly prime, because it can be changed into another prime (45942733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22971369 + 22971370.

It is an arithmetic number, because the mean of its divisors is an integer number (22971370).

Almost surely, 2^45942739 is an apocalyptic number.

45942739 is a deficient number, since it is larger than the sum of its proper divisors (1).

45942739 is an equidigital number, since it uses as much as digits as its factorization.

45942739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 45942739 is about 6778.1073316967. The cubic root of 45942739 is about 358.1560522503.

The spelling of 45942739 in words is "forty-five million, nine hundred forty-two thousand, seven hundred thirty-nine".