142498384 has 40 divisors (see below), whose sum is σ = 319354560. Its totient is φ = 60331008.

The previous prime is 142498361. The next prime is 142498387. The reversal of 142498384 is 483894241.

It is a super-2 number, since 2×142498384² = 40611578885222912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142498384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142498387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (7983864).

Almost surely, 2^142498384 is an apocalyptic number.

142498384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142498384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159677280).

142498384 is an abundant number, since it is smaller than the sum of its proper divisors (176856176).

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

142498384 is a wasteful number, since it uses less digits than its factorization.

142498384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427 (or 15421 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 142498384 is about 11937.2686993298. The cubic root of 142498384 is about 522.3199889656.

The spelling of 142498384 in words is "one hundred forty-two million, four hundred ninety-eight thousand, three hundred eighty-four".