142826427 has 12 divisors (see below), whose sum is σ = 207459720. Its totient is φ = 94684608.

The previous prime is 142826413. The next prime is 142826443. The reversal of 142826427 is 724628241.

142826427 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 2 + 642 + 7 = 666.

It is not a de Polignac number, because 142826427 - 2¹¹ = 142824379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142826391 and 142826400.

It is not an unprimeable number, because it can be changed into a prime (142826447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42718 + ... + 45939.

It is an arithmetic number, because the mean of its divisors is an integer number (17288310).

Almost surely, 2^142826427 is an apocalyptic number.

142826427 is a deficient number, since it is larger than the sum of its proper divisors (64633293).

142826427 is a wasteful number, since it uses less digits than its factorization.

142826427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88842 (or 88839 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 142826427 is about 11951.0010877750. The cubic root of 142826427 is about 522.7204896520.

The spelling of 142826427 in words is "one hundred forty-two million, eight hundred twenty-six thousand, four hundred twenty-seven".