142776212 has 12 divisors (see below), whose sum is σ = 250541760. Its totient is φ = 71192856.

The previous prime is 142776197. The next prime is 142776259. The reversal of 142776212 is 212677241.

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 3 ways as a sum of consecutive naturals, for example, 47162 + ... + 50097.

It is an arithmetic number, because the mean of its divisors is an integer number (20878480).

Almost surely, 2^142776212 is an apocalyptic number.

It is an amenable number.

142776212 is a deficient number, since it is larger than the sum of its proper divisors (107765548).

142776212 is a wasteful number, since it uses less digits than its factorization.

142776212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97630 (or 97628 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 142776212 is about 11948.9000330574. The cubic root of 142776212 is about 522.6592230114.

The spelling of 142776212 in words is "one hundred forty-two million, seven hundred seventy-six thousand, two hundred twelve".