142603673 has 2 divisors, whose sum is σ = 142603674. Its totient is φ = 142603672.

The previous prime is 142603663. The next prime is 142603709. The reversal of 142603673 is 376306241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140256649 + 2347024 = 11843^2 + 1532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142603673 is a prime.

It is not a weakly prime, because it can be changed into another prime (142603663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71301836 + 71301837.

It is an arithmetic number, because the mean of its divisors is an integer number (71301837).

Almost surely, 2^142603673 is an apocalyptic number.

It is an amenable number.

142603673 is a deficient number, since it is larger than the sum of its proper divisors (1).

142603673 is an equidigital number, since it uses as much as digits as its factorization.

142603673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 142603673 is about 11941.6779809204. The cubic root of 142603673 is about 522.4486009741.

The spelling of 142603673 in words is "one hundred forty-two million, six hundred three thousand, six hundred seventy-three".