142424586 has 12 divisors (see below), whose sum is σ = 308586642. Its totient is φ = 47474856.

The previous prime is 142424573. The next prime is 142424587. The reversal of 142424586 is 685424241.

It can be written as a sum of positive squares in only one way, i.e., 89586225 + 52838361 = 9465^2 + 7269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142424586.

It is not an unprimeable number, because it can be changed into a prime (142424587) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3956221 + ... + 3956256.

Almost surely, 2^142424586 is an apocalyptic number.

142424586 is an abundant number, since it is smaller than the sum of its proper divisors (166162056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142424586 is a wasteful number, since it uses less digits than its factorization.

142424586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912485 (or 7912482 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 142424586 is about 11934.1772234201. The cubic root of 142424586 is about 522.2298058923.

The spelling of 142424586 in words is "one hundred forty-two million, four hundred twenty-four thousand, five hundred eighty-six".