142449119 has 2 divisors, whose sum is σ = 142449120. Its totient is φ = 142449118.

The previous prime is 142449089. The next prime is 142449121. The reversal of 142449119 is 911944241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142449119 - 2⁸ = 142448863 is a prime.

It is a super-2 number, since 2×142449119² = 40583503007752322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 142449121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142440119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71224559 + 71224560.

It is an arithmetic number, because the mean of its divisors is an integer number (71224560).

Almost surely, 2^142449119 is an apocalyptic number.

142449119 is a deficient number, since it is larger than the sum of its proper divisors (1).

142449119 is an equidigital number, since it uses as much as digits as its factorization.

142449119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 142449119 is about 11935.2050254698. The cubic root of 142449119 is about 522.2597893116.

The spelling of 142449119 in words is "one hundred forty-two million, four hundred forty-nine thousand, one hundred nineteen".