142471288 has 64 divisors (see below), whose sum is σ = 298598400. Its totient is φ = 63413760.

The previous prime is 142471211. The next prime is 142471297. The reversal of 142471288 is 882174241.

It is a happy number.

142471288 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197793 + ... + 198511.

It is an arithmetic number, because the mean of its divisors is an integer number (4665600).

Almost surely, 2^142471288 is an apocalyptic number.

It is an amenable number.

142471288 is an abundant number, since it is smaller than the sum of its proper divisors (156127112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142471288 is a wasteful number, since it uses less digits than its factorization.

142471288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 816 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 142471288 is about 11936.1337123878. The cubic root of 142471288 is about 522.2868805678.

It can be divided in two parts, 1 and 42471288, that added together give a square (42471289 = 6517²).

The spelling of 142471288 in words is "one hundred forty-two million, four hundred seventy-one thousand, two hundred eighty-eight".