142002313 has 2 divisors, whose sum is σ = 142002314. Its totient is φ = 142002312.

The previous prime is 142002307. The next prime is 142002349. The reversal of 142002313 is 313200241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128074489 + 13927824 = 11317^2 + 3732^2 .

It is a cyclic number.

It is not a de Polignac number, because 142002313 - 2¹⁷ = 141871241 is a prime.

It is not a weakly prime, because it can be changed into another prime (142002353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71001156 + 71001157.

It is an arithmetic number, because the mean of its divisors is an integer number (71001157).

Almost surely, 2^142002313 is an apocalyptic number.

It is an amenable number.

142002313 is a deficient number, since it is larger than the sum of its proper divisors (1).

142002313 is an equidigital number, since it uses as much as digits as its factorization.

142002313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142002313 is about 11916.4723387419. The cubic root of 142002313 is about 521.7131772790.

Adding to 142002313 its reverse (313200241), we get a palindrome (455202554).

The spelling of 142002313 in words is "one hundred forty-two million, two thousand, three hundred thirteen".