143642016 has 144 divisors (see below), whose sum is σ = 477981504. Its totient is φ = 40061952.

The previous prime is 143641991. The next prime is 143642039. The reversal of 143642016 is 610246341.

143642016 is a `hidden beast` number, since 1 + 4 + 3 + 642 + 0 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 85860 + ... + 87516.

It is an arithmetic number, because the mean of its divisors is an integer number (3319316).

Almost surely, 2^143642016 is an apocalyptic number.

143642016 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 143642016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238990752).

143642016 is an abundant number, since it is smaller than the sum of its proper divisors (334339488).

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

143642016 is a wasteful number, since it uses less digits than its factorization.

143642016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 143642016 is about 11985.0747181651. The cubic root of 143642016 is about 523.7135742102.

Adding to 143642016 its reverse (610246341), we get a palindrome (753888357).

The spelling of 143642016 in words is "one hundred forty-three million, six hundred forty-two thousand, sixteen".