1425246143 has 2 divisors, whose sum is σ = 1425246144. Its totient is φ = 1425246142.

The previous prime is 1425246113. The next prime is 1425246191. The reversal of 1425246143 is 3416425241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425246143 - 2⁶ = 1425246079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425246103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712623071 + 712623072.

It is an arithmetic number, because the mean of its divisors is an integer number (712623072).

Almost surely, 2^1425246143 is an apocalyptic number.

1425246143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425246143 is an equidigital number, since it uses as much as digits as its factorization.

1425246143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 1425246143 is about 37752.4322792585. The cubic root of 1425246143 is about 1125.3733458479.

The spelling of 1425246143 in words is "one billion, four hundred twenty-five million, two hundred forty-six thousand, one hundred forty-three".