142822613 has 4 divisors (see below), whose sum is σ = 145861440. Its totient is φ = 139783788.

The previous prime is 142822583. The next prime is 142822643. The reversal of 142822613 is 316228241.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (142822583) and next prime (142822643).

It is a cyclic number.

It is not a de Polignac number, because 142822613 - 2¹⁴ = 142806229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142822643) 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, 1519343 + ... + 1519436.

It is an arithmetic number, because the mean of its divisors is an integer number (36465360).

Almost surely, 2^142822613 is an apocalyptic number.

It is an amenable number.

142822613 is a deficient number, since it is larger than the sum of its proper divisors (3038827).

142822613 is an equidigital number, since it uses as much as digits as its factorization.

142822613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038826.

The product of its digits is 4608, while the sum is 29.

The square root of 142822613 is about 11950.8415184873. The cubic root of 142822613 is about 522.7158367463.

The spelling of 142822613 in words is "one hundred forty-two million, eight hundred twenty-two thousand, six hundred thirteen".