454143289 has 2 divisors, whose sum is σ = 454143290. Its totient is φ = 454143288.

The previous prime is 454143251. The next prime is 454143317. The reversal of 454143289 is 982341454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396686889 + 57456400 = 19917^2 + 7580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454143289 is a prime.

It is a super-2 number, since 2×454143289² = 412492253887475042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454143229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227071644 + 227071645.

It is an arithmetic number, because the mean of its divisors is an integer number (227071645).

Almost surely, 2^454143289 is an apocalyptic number.

It is an amenable number.

454143289 is a deficient number, since it is larger than the sum of its proper divisors (1).

454143289 is an equidigital number, since it uses as much as digits as its factorization.

454143289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 454143289 is about 21310.6379303858. The cubic root of 454143289 is about 768.6541334704.

The spelling of 454143289 in words is "four hundred fifty-four million, one hundred forty-three thousand, two hundred eighty-nine".