142745663 has 2 divisors, whose sum is σ = 142745664. Its totient is φ = 142745662.

The previous prime is 142745621. The next prime is 142745677. The reversal of 142745663 is 366547241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (366547241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142745663 - 2¹⁶ = 142680127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142745683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71372831 + 71372832.

It is an arithmetic number, because the mean of its divisors is an integer number (71372832).

Almost surely, 2^142745663 is an apocalyptic number.

142745663 is a deficient number, since it is larger than the sum of its proper divisors (1).

142745663 is an equidigital number, since it uses as much as digits as its factorization.

142745663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 142745663 is about 11947.6216461687. The cubic root of 142745663 is about 522.6219435625.

The spelling of 142745663 in words is "one hundred forty-two million, seven hundred forty-five thousand, six hundred sixty-three".