143644320342336 has 112 divisors (see below), whose sum is σ = 414615874083840. Its totient is φ = 43527938219520.

The previous prime is 143644320342323. The next prime is 143644320342343. The reversal of 143644320342336 is 633243023446341.

It is a happy number.

It is a super-2 number, since 2×143644320342336² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 153513145 + ... + 154446023.

Almost surely, 2^{143644320342336} is an apocalyptic number.

143644320342336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143644320342336 is an abundant number, since it is smaller than the sum of its proper divisors (270971553741504).

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

143644320342336 is a wasteful number, since it uses less digits than its factorization.

143644320342336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005812 (or 1005802 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 48.

Adding to 143644320342336 its reverse (633243023446341), we get a palindrome (776887343788677).

The spelling of 143644320342336 in words is "one hundred forty-three trillion, six hundred forty-four billion, three hundred twenty million, three hundred forty-two thousand, three hundred thirty-six".