254145343 has 2 divisors, whose sum is σ = 254145344. Its totient is φ = 254145342.

The previous prime is 254145329. The next prime is 254145389. The reversal of 254145343 is 343541452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254145343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254145313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127072671 + 127072672.

It is an arithmetic number, because the mean of its divisors is an integer number (127072672).

Almost surely, 2^254145343 is an apocalyptic number.

254145343 is a deficient number, since it is larger than the sum of its proper divisors (1).

254145343 is an equidigital number, since it uses as much as digits as its factorization.

254145343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 254145343 is about 15941.9366138496. The cubic root of 254145343 is about 633.4233255009.

Adding to 254145343 its reverse (343541452), we get a palindrome (597686795).

The spelling of 254145343 in words is "two hundred fifty-four million, one hundred forty-five thousand, three hundred forty-three".