142263344 has 40 divisors (see below), whose sum is σ = 292682160. Its totient is φ = 66756608.

The previous prime is 142263343. The next prime is 142263391. The reversal of 142263344 is 443362241.

It is not an unprimeable number, because it can be changed into a prime (142263343) by changing a digit.

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, 152672 + ... + 153600.

It is an arithmetic number, because the mean of its divisors is an integer number (7317054).

Almost surely, 2^142263344 is an apocalyptic number.

It is an amenable number.

142263344 is an abundant number, since it is smaller than the sum of its proper divisors (150418816).

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

142263344 is a wasteful number, since it uses less digits than its factorization.

142263344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1511 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 142263344 is about 11927.4198383389. The cubic root of 142263344 is about 522.0326555321.

The spelling of 142263344 in words is "one hundred forty-two million, two hundred sixty-three thousand, three hundred forty-four".