142822437 has 4 divisors (see below), whose sum is σ = 190429920. Its totient is φ = 95214956.

The previous prime is 142822417. The next prime is 142822469. The reversal of 142822437 is 734228241.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142822437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142822398 and 142822407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142822417) 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, 23803737 + ... + 23803742.

It is an arithmetic number, because the mean of its divisors is an integer number (47607480).

Almost surely, 2^142822437 is an apocalyptic number.

It is an amenable number.

142822437 is a deficient number, since it is larger than the sum of its proper divisors (47607483).

142822437 is an equidigital number, since it uses as much as digits as its factorization.

142822437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47607482.

The product of its digits is 21504, while the sum is 33.

The square root of 142822437 is about 11950.8341549868. The cubic root of 142822437 is about 522.7156220324.

The spelling of 142822437 in words is "one hundred forty-two million, eight hundred twenty-two thousand, four hundred thirty-seven".