142820588 has 12 divisors (see below), whose sum is σ = 250329240. Its totient is φ = 71297952.

The previous prime is 142820567. The next prime is 142820599. The reversal of 142820588 is 885028241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25193 + ... + 30336.

It is an arithmetic number, because the mean of its divisors is an integer number (20860770).

Almost surely, 2^142820588 is an apocalyptic number.

It is an amenable number.

142820588 is a deficient number, since it is larger than the sum of its proper divisors (107508652).

142820588 is a wasteful number, since it uses less digits than its factorization.

142820588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56176 (or 56174 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 142820588 is about 11950.7567961196. The cubic root of 142820588 is about 522.7133663052.

The spelling of 142820588 in words is "one hundred forty-two million, eight hundred twenty thousand, five hundred eighty-eight".