142000511 has 2 divisors, whose sum is σ = 142000512. Its totient is φ = 142000510.

The previous prime is 142000483. The next prime is 142000519. The reversal of 142000511 is 115000241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142000511 is a prime.

It is a super-2 number, since 2×142000511² = 40328290248522242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142000519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71000255 + 71000256.

It is an arithmetic number, because the mean of its divisors is an integer number (71000256).

Almost surely, 2^142000511 is an apocalyptic number.

142000511 is a deficient number, since it is larger than the sum of its proper divisors (1).

142000511 is an equidigital number, since it uses as much as digits as its factorization.

142000511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 142000511 is about 11916.3967288774. The cubic root of 142000511 is about 521.7109704343.

Adding to 142000511 its reverse (115000241), we get a palindrome (257000752).

The spelling of 142000511 in words is "one hundred forty-two million, five hundred eleven", and thus it is an aban number.