453744139 has 2 divisors, whose sum is σ = 453744140. Its totient is φ = 453744138.

The previous prime is 453744133. The next prime is 453744143. The reversal of 453744139 is 931447354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 453744139 - 2⁵ = 453744107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (453744133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226872069 + 226872070.

It is an arithmetic number, because the mean of its divisors is an integer number (226872070).

Almost surely, 2^453744139 is an apocalyptic number.

453744139 is a deficient number, since it is larger than the sum of its proper divisors (1).

453744139 is an equidigital number, since it uses as much as digits as its factorization.

453744139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 453744139 is about 21301.2708306336. The cubic root of 453744139 is about 768.4288754706.

The spelling of 453744139 in words is "four hundred fifty-three million, seven hundred forty-four thousand, one hundred thirty-nine".