142722886 has 8 divisors (see below), whose sum is σ = 219306024. Its totient is φ = 69620880.

The previous prime is 142722883. The next prime is 142722887. The reversal of 142722886 is 688227241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142722883) by changing a digit.

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, 870180 + ... + 870343.

It is an arithmetic number, because the mean of its divisors is an integer number (27413253).

Almost surely, 2^142722886 is an apocalyptic number.

142722886 is a deficient number, since it is larger than the sum of its proper divisors (76583138).

142722886 is a wasteful number, since it uses less digits than its factorization.

142722886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740566.

The product of its digits is 86016, while the sum is 40.

The square root of 142722886 is about 11946.6684058778. The cubic root of 142722886 is about 522.5941449521.

The spelling of 142722886 in words is "one hundred forty-two million, seven hundred twenty-two thousand, eight hundred eighty-six".