142863001 has 2 divisors, whose sum is σ = 142863002. Its totient is φ = 142863000.

The previous prime is 142862987. The next prime is 142863011. The reversal of 142863001 is 100368241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 12355225 = 11424^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 142863001 - 2⁵ = 142862969 is a prime.

It is not a weakly prime, because it can be changed into another prime (142863011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71431500 + 71431501.

It is an arithmetic number, because the mean of its divisors is an integer number (71431501).

Almost surely, 2^142863001 is an apocalyptic number.

It is an amenable number.

142863001 is a deficient number, since it is larger than the sum of its proper divisors (1).

142863001 is an equidigital number, since it uses as much as digits as its factorization.

142863001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 142863001 is about 11952.5311545296. The cubic root of 142863001 is about 522.7651040556.

The spelling of 142863001 in words is "one hundred forty-two million, eight hundred sixty-three thousand, one".