142830119 has 2 divisors, whose sum is σ = 142830120. Its totient is φ = 142830118.

The previous prime is 142830067. The next prime is 142830139. The reversal of 142830119 is 911038241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142830119 is a prime.

It is a super-2 number, since 2×142830119² = 40800885787108322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142830091 and 142830100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142830139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71415059 + 71415060.

It is an arithmetic number, because the mean of its divisors is an integer number (71415060).

Almost surely, 2^142830119 is an apocalyptic number.

142830119 is a deficient number, since it is larger than the sum of its proper divisors (1).

142830119 is an equidigital number, since it uses as much as digits as its factorization.

142830119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 142830119 is about 11951.1555508244. The cubic root of 142830119 is about 522.7249936444.

The spelling of 142830119 in words is "one hundred forty-two million, eight hundred thirty thousand, one hundred nineteen".