142444288 has 72 divisors (see below), whose sum is σ = 336278880. Its totient is φ = 58920960.

The previous prime is 142444279. The next prime is 142444303. The reversal of 142444288 is 882444241.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50598 + ... + 53338.

It is an arithmetic number, because the mean of its divisors is an integer number (4670540).

Almost surely, 2^142444288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142444288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168139440).

142444288 is an abundant number, since it is smaller than the sum of its proper divisors (193834592).

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

142444288 is an equidigital number, since it uses as much as digits as its factorization.

142444288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793 (or 2779 counting only the distinct ones).

The product of its digits is 65536, while the sum is 37.

The square root of 142444288 is about 11935.0026392959. The cubic root of 142444288 is about 522.2538852958.

The spelling of 142444288 in words is "one hundred forty-two million, four hundred forty-four thousand, two hundred eighty-eight".