142852019 has 2 divisors, whose sum is σ = 142852020. Its totient is φ = 142852018.

The previous prime is 142852007. The next prime is 142852033. The reversal of 142852019 is 910258241.

It is a weak prime.

It is an emirp because it is prime and its reverse (910258241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142852019 is a prime.

It is a super-2 number, since 2×142852019² = 40813398664752722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142852219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71426009 + 71426010.

It is an arithmetic number, because the mean of its divisors is an integer number (71426010).

Almost surely, 2^142852019 is an apocalyptic number.

142852019 is a deficient number, since it is larger than the sum of its proper divisors (1).

142852019 is an equidigital number, since it uses as much as digits as its factorization.

142852019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 142852019 is about 11952.0717450993. The cubic root of 142852019 is about 522.7517085801.

The spelling of 142852019 in words is "one hundred forty-two million, eight hundred fifty-two thousand, nineteen".