254262143 has 2 divisors, whose sum is σ = 254262144. Its totient is φ = 254262142.

The previous prime is 254262137. The next prime is 254262157. The reversal of 254262143 is 341262452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254262143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554262143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127131071 + 127131072.

It is an arithmetic number, because the mean of its divisors is an integer number (127131072).

Almost surely, 2^254262143 is an apocalyptic number.

254262143 is a deficient number, since it is larger than the sum of its proper divisors (1).

254262143 is an equidigital number, since it uses as much as digits as its factorization.

254262143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The square root of 254262143 is about 15945.5994870058. The cubic root of 254262143 is about 633.5203467730.

The spelling of 254262143 in words is "two hundred fifty-four million, two hundred sixty-two thousand, one hundred forty-three".