143866214388 has 72 divisors (see below), whose sum is σ = 400743671328. Its totient is φ = 43237067328.

The previous prime is 143866214383. The next prime is 143866214447. The reversal of 143866214388 is 883412668341.

It is a happy number.

143866214388 is a `hidden beast` number, since 1 + 4 + 3 + 8 + 6 + 621 + 4 + 3 + 8 + 8 = 666.

It is a super-3 number, since 3×143866214388³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143866214383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3554370 + ... + 3594617.

It is an arithmetic number, because the mean of its divisors is an integer number (5565884324).

Almost surely, 2^143866214388 is an apocalyptic number.

143866214388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143866214388 is an abundant number, since it is smaller than the sum of its proper divisors (256877456940).

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

143866214388 is a wasteful number, since it uses less digits than its factorization.

143866214388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149053 (or 7149048 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 143866214388 in words is "one hundred forty-three billion, eight hundred sixty-six million, two hundred fourteen thousand, three hundred eighty-eight".