402095143 has 2 divisors, whose sum is σ = 402095144. Its totient is φ = 402095142.

The previous prime is 402095117. The next prime is 402095149. The reversal of 402095143 is 341590204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402095143 - 2¹⁷ = 401964071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402095149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201047571 + 201047572.

It is an arithmetic number, because the mean of its divisors is an integer number (201047572).

Almost surely, 2^402095143 is an apocalyptic number.

402095143 is a deficient number, since it is larger than the sum of its proper divisors (1).

402095143 is an equidigital number, since it uses as much as digits as its factorization.

402095143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 402095143 is about 20052.3101661629. The cubic root of 402095143 is about 738.0904889986.

The spelling of 402095143 in words is "four hundred two million, ninety-five thousand, one hundred forty-three".