142421114 has 12 divisors (see below), whose sum is σ = 234818682. Its totient is φ = 64736760.

The previous prime is 142421113. The next prime is 142421143. The reversal of 142421114 is 411124241.

It can be written as a sum of positive squares in only one way, i.e., 134676025 + 7745089 = 11605^2 + 2783^2 .

It is not an unprimeable number, because it can be changed into a prime (142421113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294017 + ... + 294500.

Almost surely, 2^142421114 is an apocalyptic number.

142421114 is a deficient number, since it is larger than the sum of its proper divisors (92397568).

142421114 is a wasteful number, since it uses less digits than its factorization.

142421114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588541 (or 588530 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 142421114 is about 11934.0317579601. The cubic root of 142421114 is about 522.2255622508.

Adding to 142421114 its reverse (411124241), we get a palindrome (553545355).

The spelling of 142421114 in words is "one hundred forty-two million, four hundred twenty-one thousand, one hundred fourteen".