142833919 has 2 divisors, whose sum is σ = 142833920. Its totient is φ = 142833918.

The previous prime is 142833913. The next prime is 142833923. The reversal of 142833919 is 919338241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142833919 is a prime.

It is a super-2 number, since 2×142833919² = 40803056833797122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142833913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71416959 + 71416960.

It is an arithmetic number, because the mean of its divisors is an integer number (71416960).

Almost surely, 2^142833919 is an apocalyptic number.

142833919 is a deficient number, since it is larger than the sum of its proper divisors (1).

142833919 is an equidigital number, since it uses as much as digits as its factorization.

142833919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 142833919 is about 11951.3145302096. The cubic root of 142833919 is about 522.7296293085.

The spelling of 142833919 in words is "one hundred forty-two million, eight hundred thirty-three thousand, nine hundred nineteen".