142019 has 2 divisors, whose sum is σ = 142020. Its totient is φ = 142018.

The previous prime is 142007. The next prime is 142031. The reversal of 142019 is 910241.

It is a happy number.

142019 is nontrivially palindromic in base 11.

It is a balanced prime because it is at equal distance from previous prime (142007) and next prime (142031).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142019 is a prime.

It is a super-2 number, since 2×142019² = 40338792722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 141988 and 142006.

It is not a weakly prime, because it can be changed into another prime (142039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71009 + 71010.

It is an arithmetic number, because the mean of its divisors is an integer number (71010).

2¹⁴²⁰¹⁹ is an apocalyptic number.

142019 is a deficient number, since it is larger than the sum of its proper divisors (1).

142019 is an equidigital number, since it uses as much as digits as its factorization.

142019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 142019 is about 376.8540831675. The cubic root of 142019 is about 52.1733612361.

The spelling of 142019 in words is "one hundred forty-two thousand, nineteen".