142313503 has 2 divisors, whose sum is σ = 142313504. Its totient is φ = 142313502.

The previous prime is 142313497. The next prime is 142313513. The reversal of 142313503 is 305313241.

142313503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142313503 is a prime.

It is a super-2 number, since 2×142313503² = 40506266272262018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142313513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71156751 + 71156752.

It is an arithmetic number, because the mean of its divisors is an integer number (71156752).

Almost surely, 2^142313503 is an apocalyptic number.

142313503 is a deficient number, since it is larger than the sum of its proper divisors (1).

142313503 is an equidigital number, since it uses as much as digits as its factorization.

142313503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 142313503 is about 11929.5223290792. The cubic root of 142313503 is about 522.0940008242.

Adding to 142313503 its reverse (305313241), we get a palindrome (447626744).

The spelling of 142313503 in words is "one hundred forty-two million, three hundred thirteen thousand, five hundred three".