142288484 has 12 divisors (see below), whose sum is σ = 268159164. Its totient is φ = 65671584.

The previous prime is 142288451. The next prime is 142288513. The reversal of 142288484 is 484882241.

It can be written as a sum of positive squares in 2 ways, for example, as 45265984 + 97022500 = 6728^2 + 9850^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1368107 + ... + 1368210.

It is an arithmetic number, because the mean of its divisors is an integer number (22346597).

Almost surely, 2^142288484 is an apocalyptic number.

It is an amenable number.

142288484 is a deficient number, since it is larger than the sum of its proper divisors (125870680).

142288484 is a wasteful number, since it uses less digits than its factorization.

142288484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736334 (or 2736332 counting only the distinct ones).

The product of its digits is 131072, while the sum is 41.

The square root of 142288484 is about 11928.4736659809. The cubic root of 142288484 is about 522.0634039727.

The spelling of 142288484 in words is "one hundred forty-two million, two hundred eighty-eight thousand, four hundred eighty-four".