142243483 has 2 divisors, whose sum is σ = 142243484. Its totient is φ = 142243482.

The previous prime is 142243433. The next prime is 142243487. The reversal of 142243483 is 384342241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142243483 is a prime.

It is not a weakly prime, because it can be changed into another prime (142243487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71121741 + 71121742.

It is an arithmetic number, because the mean of its divisors is an integer number (71121742).

Almost surely, 2^142243483 is an apocalyptic number.

142243483 is a deficient number, since it is larger than the sum of its proper divisors (1).

142243483 is an equidigital number, since it uses as much as digits as its factorization.

142243483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 142243483 is about 11926.5872318950. The cubic root of 142243483 is about 522.0083612133.

The spelling of 142243483 in words is "one hundred forty-two million, two hundred forty-three thousand, four hundred eighty-three".