142869248 has 18 divisors (see below), whose sum is σ = 285180924. Its totient is φ = 71434496.

The previous prime is 142869229. The next prime is 142869281. The reversal of 142869248 is 842968241.

It is a junction number, because it is equal to n+sod(n) for n = 142869199 and 142869208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278786 + ... + 279297.

Almost surely, 2^142869248 is an apocalyptic number.

It is an amenable number.

142869248 is a deficient number, since it is larger than the sum of its proper divisors (142311676).

142869248 is an frugal number, since it uses more digits than its factorization.

142869248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558099 (or 558085 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 142869248 is about 11952.7924770741. The cubic root of 142869248 is about 522.7727236305.

The spelling of 142869248 in words is "one hundred forty-two million, eight hundred sixty-nine thousand, two hundred forty-eight".