142910427 has 16 divisors (see below), whose sum is σ = 208788480. Its totient is φ = 86229600.

The previous prime is 142910423. The next prime is 142910429. The reversal of 142910427 is 724019241.

It is not a de Polignac number, because 142910427 - 2² = 142910423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142910394 and 142910403.

It is not an unprimeable number, because it can be changed into a prime (142910423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899 + ... + 17012.

It is an arithmetic number, because the mean of its divisors is an integer number (13049280).

Almost surely, 2^142910427 is an apocalyptic number.

142910427 is a deficient number, since it is larger than the sum of its proper divisors (65878053).

142910427 is a wasteful number, since it uses less digits than its factorization.

142910427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19154.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 142910427 is about 11954.5149211501. The cubic root of 142910427 is about 522.8229448184.

Adding to 142910427 its reverse (724019241), we get a palindrome (866929668).

The spelling of 142910427 in words is "one hundred forty-two million, nine hundred ten thousand, four hundred twenty-seven".