142833913 has 2 divisors, whose sum is σ = 142833914. Its totient is φ = 142833912.

The previous prime is 142833869. The next prime is 142833919. The reversal of 142833913 is 319338241.

142833913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72726784 + 70107129 = 8528^2 + 8373^2 .

It is an emirp because it is prime and its reverse (319338241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142833913 is a prime.

It is not a weakly prime, because it can be changed into another prime (142833919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71416956 + 71416957.

It is an arithmetic number, because the mean of its divisors is an integer number (71416957).

Almost surely, 2^142833913 is an apocalyptic number.

It is an amenable number.

142833913 is a deficient number, since it is larger than the sum of its proper divisors (1).

142833913 is an equidigital number, since it uses as much as digits as its factorization.

142833913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 142833913 is about 11951.3142791912. The cubic root of 142833913 is about 522.7296219891.

The spelling of 142833913 in words is "one hundred forty-two million, eight hundred thirty-three thousand, nine hundred thirteen".