142064893 has 2 divisors, whose sum is σ = 142064894. Its totient is φ = 142064892.

The previous prime is 142064849. The next prime is 142064933. The reversal of 142064893 is 398460241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137663289 + 4401604 = 11733^2 + 2098^2 .

It is a cyclic number.

It is not a de Polignac number, because 142064893 - 2¹⁷ = 141933821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142064093) 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, 71032446 + 71032447.

It is an arithmetic number, because the mean of its divisors is an integer number (71032447).

Almost surely, 2^142064893 is an apocalyptic number.

It is an amenable number.

142064893 is a deficient number, since it is larger than the sum of its proper divisors (1).

142064893 is an equidigital number, since it uses as much as digits as its factorization.

142064893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 142064893 is about 11919.0978265974. The cubic root of 142064893 is about 521.7898051757.

The spelling of 142064893 in words is "one hundred forty-two million, sixty-four thousand, eight hundred ninety-three".