142482638 has 4 divisors (see below), whose sum is σ = 213723960. Its totient is φ = 71241318.

The previous prime is 142482601. The next prime is 142482647. The reversal of 142482638 is 836284241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35620658 + ... + 35620661.

It is an arithmetic number, because the mean of its divisors is an integer number (53430990).

Almost surely, 2^142482638 is an apocalyptic number.

142482638 is a deficient number, since it is larger than the sum of its proper divisors (71241322).

142482638 is an equidigital number, since it uses as much as digits as its factorization.

142482638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71241321.

The product of its digits is 73728, while the sum is 38.

The square root of 142482638 is about 11936.6091500057. The cubic root of 142482638 is about 522.3007495579.

The spelling of 142482638 in words is "one hundred forty-two million, four hundred eighty-two thousand, six hundred thirty-eight".