1454243431 has 2 divisors, whose sum is σ = 1454243432. Its totient is φ = 1454243430.

The previous prime is 1454243423. The next prime is 1454243491. The reversal of 1454243431 is 1343424541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1454243431 - 2³ = 1454243423 is a prime.

It is a super-2 number, since 2×1454243431² = 4229647913213303522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1454243393 and 1454243402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454243491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727121715 + 727121716.

It is an arithmetic number, because the mean of its divisors is an integer number (727121716).

Almost surely, 2^1454243431 is an apocalyptic number.

1454243431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454243431 is an equidigital number, since it uses as much as digits as its factorization.

1454243431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 1454243431 is about 38134.5438021750. The cubic root of 1454243431 is about 1132.9542430406.

Adding to 1454243431 its reverse (1343424541), we get a palindrome (2797667972).

The spelling of 1454243431 in words is "one billion, four hundred fifty-four million, two hundred forty-three thousand, four hundred thirty-one".