142516313 has 4 divisors (see below), whose sum is σ = 144852708. Its totient is φ = 140179920.

The previous prime is 142516307. The next prime is 142516327. The reversal of 142516313 is 313615241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25270729 + 117245584 = 5027^2 + 10828^2 .

It is a cyclic number.

It is not a de Polignac number, because 142516313 - 2⁶ = 142516249 is a prime.

It is a super-2 number, since 2×142516313² = 40621798942227938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142516333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168106 + ... + 1168227.

It is an arithmetic number, because the mean of its divisors is an integer number (36213177).

Almost surely, 2^142516313 is an apocalyptic number.

It is an amenable number.

142516313 is a deficient number, since it is larger than the sum of its proper divisors (2336395).

142516313 is an equidigital number, since it uses as much as digits as its factorization.

142516313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336394.

The product of its digits is 2160, while the sum is 26.

The square root of 142516313 is about 11938.0196431401. The cubic root of 142516313 is about 522.3418939680.

The spelling of 142516313 in words is "one hundred forty-two million, five hundred sixteen thousand, three hundred thirteen".