142787196 has 36 divisors (see below), whose sum is σ = 361414872. Its totient is φ = 47532384.

The previous prime is 142787189. The next prime is 142787221. The reversal of 142787196 is 691787241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 30466 + ... + 34838.

It is an arithmetic number, because the mean of its divisors is an integer number (10039302).

Almost surely, 2^142787196 is an apocalyptic number.

It is an amenable number.

142787196 is an abundant number, since it is smaller than the sum of its proper divisors (218627676).

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

142787196 is a wasteful number, since it uses less digits than its factorization.

142787196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5285 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 142787196 is about 11949.3596481150. The cubic root of 142787196 is about 522.6726256682.

Adding to 142787196 its sum of digits (45), we get a palindrome (142787241).

The spelling of 142787196 in words is "one hundred forty-two million, seven hundred eighty-seven thousand, one hundred ninety-six".