142281248 has 24 divisors (see below), whose sum is σ = 281594880. Its totient is φ = 70765120.

The previous prime is 142281199. The next prime is 142281277. The reversal of 142281248 is 842182241.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528 + ... + 17751.

It is an arithmetic number, because the mean of its divisors is an integer number (11733120).

Almost surely, 2^142281248 is an apocalyptic number.

It is an amenable number.

142281248 is a deficient number, since it is larger than the sum of its proper divisors (139313632).

142281248 is a wasteful number, since it uses less digits than its factorization.

142281248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23480 (or 23472 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 142281248 is about 11928.1703542496. The cubic root of 142281248 is about 522.0545540768.

The spelling of 142281248 in words is "one hundred forty-two million, two hundred eighty-one thousand, two hundred forty-eight".