142344511 has 2 divisors, whose sum is σ = 142344512. Its totient is φ = 142344510.

The previous prime is 142344509. The next prime is 142344547. The reversal of 142344511 is 115443241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142344511 - 2¹ = 142344509 is a prime.

Together with 142344509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142344571) 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, 71172255 + 71172256.

It is an arithmetic number, because the mean of its divisors is an integer number (71172256).

Almost surely, 2^142344511 is an apocalyptic number.

142344511 is a deficient number, since it is larger than the sum of its proper divisors (1).

142344511 is an equidigital number, since it uses as much as digits as its factorization.

142344511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 142344511 is about 11930.8218912194. The cubic root of 142344511 is about 522.1319169151.

Adding to 142344511 its reverse (115443241), we get a palindrome (257787752).

The spelling of 142344511 in words is "one hundred forty-two million, three hundred forty-four thousand, five hundred eleven".