142419833 has 2 divisors, whose sum is σ = 142419834. Its totient is φ = 142419832.

The previous prime is 142419793. The next prime is 142419943. The reversal of 142419833 is 338914241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141800464 + 619369 = 11908^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 142419833 - 2⁶ = 142419769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142419793 and 142419802.

It is not a weakly prime, because it can be changed into another prime (142419133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71209916 + 71209917.

It is an arithmetic number, because the mean of its divisors is an integer number (71209917).

Almost surely, 2^142419833 is an apocalyptic number.

It is an amenable number.

142419833 is a deficient number, since it is larger than the sum of its proper divisors (1).

142419833 is an equidigital number, since it uses as much as digits as its factorization.

142419833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 142419833 is about 11933.9780877962. The cubic root of 142419833 is about 522.2239965351.

The spelling of 142419833 in words is "one hundred forty-two million, four hundred nineteen thousand, eight hundred thirty-three".