180142019 has 2 divisors, whose sum is σ = 180142020. Its totient is φ = 180142018.

The previous prime is 180142009. The next prime is 180142033. The reversal of 180142019 is 910241081.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180142019 is a prime.

It is a super-2 number, since 2×180142019² = 64902294018792722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (180142009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90071009 + 90071010.

It is an arithmetic number, because the mean of its divisors is an integer number (90071010).

Almost surely, 2^180142019 is an apocalyptic number.

180142019 is a deficient number, since it is larger than the sum of its proper divisors (1).

180142019 is an equidigital number, since it uses as much as digits as its factorization.

180142019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 180142019 is about 13421.6995570606. The cubic root of 180142019 is about 564.7700727317.

The spelling of 180142019 in words is "one hundred eighty million, one hundred forty-two thousand, nineteen".