142886448 has 30 divisors (see below), whose sum is σ = 399884004. Its totient is φ = 47628768.

The previous prime is 142886437. The next prime is 142886449. The reversal of 142886448 is 844688241.

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

It is not an unprimeable number, because it can be changed into a prime (142886449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495990 + ... + 496277.

Almost surely, 2^142886448 is an apocalyptic number.

142886448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142886448 is an abundant number, since it is smaller than the sum of its proper divisors (256997556).

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

142886448 is a wasteful number, since it uses less digits than its factorization.

142886448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992281 (or 992272 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 142886448 is about 11953.5119525602. The cubic root of 142886448 is about 522.7937016230.

It can be divided in two parts, 14288 and 6448, that added together give a 4-th power (20736 = 12⁴).

The spelling of 142886448 in words is "one hundred forty-two million, eight hundred eighty-six thousand, four hundred forty-eight".