142381248 has 28 divisors (see below), whose sum is σ = 376717560. Its totient is φ = 47460352.

The previous prime is 142381237. The next prime is 142381279. The reversal of 142381248 is 842183241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370593 + ... + 370976.

Almost surely, 2^142381248 is an apocalyptic number.

It is an amenable number.

142381248 is an abundant number, since it is smaller than the sum of its proper divisors (234336312).

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

142381248 is an equidigital number, since it uses as much as digits as its factorization.

142381248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741584 (or 741574 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 142381248 is about 11932.3613756875. The cubic root of 142381248 is about 522.1768312106.

The spelling of 142381248 in words is "one hundred forty-two million, three hundred eighty-one thousand, two hundred forty-eight".