142441313 has 4 divisors (see below), whose sum is σ = 162790080. Its totient is φ = 122092548.

The previous prime is 142441307. The next prime is 142441319. The reversal of 142441313 is 313144241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313144241 = 23 ⋅13614967.

It is an interprime number because it is at equal distance from previous prime (142441307) and next prime (142441319).

It is a cyclic number.

It is not a de Polignac number, because 142441313 - 2¹⁰ = 142440289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142441319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10174373 + ... + 10174386.

It is an arithmetic number, because the mean of its divisors is an integer number (40697520).

Almost surely, 2^142441313 is an apocalyptic number.

It is an amenable number.

142441313 is a deficient number, since it is larger than the sum of its proper divisors (20348767).

142441313 is an equidigital number, since it uses as much as digits as its factorization.

142441313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348766.

The product of its digits is 1152, while the sum is 23.

The square root of 142441313 is about 11934.8780052416. The cubic root of 142441313 is about 522.2502494506.

Adding to 142441313 its reverse (313144241), we get a palindrome (455585554).

The spelling of 142441313 in words is "one hundred forty-two million, four hundred forty-one thousand, three hundred thirteen".