142911146 has 24 divisors (see below), whose sum is σ = 264036996. Its totient is φ = 57644160.

The previous prime is 142911137. The next prime is 142911191. The reversal of 142911146 is 641119241.

It can be written as a sum of positive squares in 2 ways, for example, as 121242121 + 21669025 = 11011^2 + 4655^2 .

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 11 ways as a sum of consecutive naturals, for example, 41225 + ... + 44556.

Almost surely, 2^142911146 is an apocalyptic number.

142911146 is a deficient number, since it is larger than the sum of its proper divisors (121125850).

142911146 is a wasteful number, since it uses less digits than its factorization.

142911146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85814 (or 85807 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 142911146 is about 11954.5449934324. The cubic root of 142911146 is about 522.8238216125.

The spelling of 142911146 in words is "one hundred forty-two million, nine hundred eleven thousand, one hundred forty-six".