142302212 has 12 divisors (see below), whose sum is σ = 268185036. Its totient is φ = 65677920.

The previous prime is 142302163. The next prime is 142302227. The reversal of 142302212 is 212203241.

It can be written as a sum of positive squares in 2 ways, for example, as 11062276 + 131239936 = 3326^2 + 11456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368239 + ... + 1368342.

It is an arithmetic number, because the mean of its divisors is an integer number (22348753).

Almost surely, 2^142302212 is an apocalyptic number.

It is an amenable number.

142302212 is a deficient number, since it is larger than the sum of its proper divisors (125882824).

142302212 is a wasteful number, since it uses less digits than its factorization.

142302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736598 (or 2736596 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142302212 is about 11929.0490819679. The cubic root of 142302212 is about 522.0801930005.

Adding to 142302212 its reverse (212203241), we get a palindrome (354505453).

The spelling of 142302212 in words is "one hundred forty-two million, three hundred two thousand, two hundred twelve".