142341622 has 4 divisors (see below), whose sum is σ = 213512436. Its totient is φ = 71170810.

The previous prime is 142341607. The next prime is 142341671. The reversal of 142341622 is 226143241.

It is a happy number.

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

It is a super-2 number, since 2×142341622² = 40522274707181768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35585404 + ... + 35585407.

It is an arithmetic number, because the mean of its divisors is an integer number (53378109).

Almost surely, 2^142341622 is an apocalyptic number.

142341622 is a deficient number, since it is larger than the sum of its proper divisors (71170814).

142341622 is an equidigital number, since it uses as much as digits as its factorization.

142341622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71170813.

The product of its digits is 2304, while the sum is 25.

The square root of 142341622 is about 11930.7008176385. The cubic root of 142341622 is about 522.1283845243.

Adding to 142341622 its reverse (226143241), we get a palindrome (368484863).

The spelling of 142341622 in words is "one hundred forty-two million, three hundred forty-one thousand, six hundred twenty-two".