142630622 has 8 divisors (see below), whose sum is σ = 216959472. Its totient is φ = 70310800.

The previous prime is 142630619. The next prime is 142630639. The reversal of 142630622 is 226036241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142630591 and 142630600.

It is a congruent number.

It is an unprimeable number.

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, 502079 + ... + 502362.

It is an arithmetic number, because the mean of its divisors is an integer number (27119934).

Almost surely, 2^142630622 is an apocalyptic number.

142630622 is a deficient number, since it is larger than the sum of its proper divisors (74328850).

142630622 is a wasteful number, since it uses less digits than its factorization.

142630622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004514.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 142630622 is about 11942.8062866313. The cubic root of 142630622 is about 522.4815093843.

Adding to 142630622 its reverse (226036241), we get a palindrome (368666863).

The spelling of 142630622 in words is "one hundred forty-two million, six hundred thirty thousand, six hundred twenty-two".