142246416 has 80 divisors (see below), whose sum is σ = 397724544. Its totient is φ = 43548672.

The previous prime is 142246397. The next prime is 142246453. The reversal of 142246416 is 614642241.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 159925 + ... + 160811.

Almost surely, 2^142246416 is an apocalyptic number.

142246416 is a gapful number since it is divisible by the number (16) 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 142246416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198862272).

142246416 is an abundant number, since it is smaller than the sum of its proper divisors (255478128).

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

142246416 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (142246415) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1162).

142246416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 142246416 is about 11926.7101918341. The cubic root of 142246416 is about 522.0119490519.

Adding to 142246416 its reverse (614642241), we get a palindrome (756888657).

The spelling of 142246416 in words is "one hundred forty-two million, two hundred forty-six thousand, four hundred sixteen".