142000769 has 2 divisors, whose sum is σ = 142000770. Its totient is φ = 142000768.

The previous prime is 142000759. The next prime is 142000811. The reversal of 142000769 is 967000241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137757169 + 4243600 = 11737^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 142000769 - 2²⁰ = 140952193 is a prime.

It is a super-2 number, since 2×142000769² = 40328436793182722, which contains 22 as substring.

It is equal to p_8018651 and since 142000769 and 8018651 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142000759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71000384 + 71000385.

It is an arithmetic number, because the mean of its divisors is an integer number (71000385).

Almost surely, 2^142000769 is an apocalyptic number.

It is an amenable number.

142000769 is a deficient number, since it is larger than the sum of its proper divisors (1).

142000769 is an equidigital number, since it uses as much as digits as its factorization.

142000769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 142000769 is about 11916.4075542925. The cubic root of 142000769 is about 521.7112863988.

The spelling of 142000769 in words is "one hundred forty-two million, seven hundred sixty-nine", and thus it is an aban number.