143285166915840 has 144 divisors (see below), whose sum is σ = 508463335497600. Its totient is φ = 38209377835008.

The previous prime is 143285166915739. The next prime is 143285166915853. The reversal of 143285166915840 is 48519661582341.

It is a happy number.

143285166915840 is a `hidden beast` number, since 1 + 4 + 3 + 2 + 8 + 516 + 69 + 1 + 58 + 4 + 0 = 666.

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

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072956860 + ... + 2073025979.

It is an arithmetic number, because the mean of its divisors is an integer number (3530995385400).

Almost surely, 2^{143285166915840} is an apocalyptic number.

143285166915840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143285166915840 is an abundant number, since it is smaller than the sum of its proper divisors (365178168581760).

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

143285166915840 is an equidigital number, since it uses as much as digits as its factorization.

143285166915840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145982869 (or 4145982849 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 143285166915840 in words is "one hundred forty-three trillion, two hundred eighty-five billion, one hundred sixty-six million, nine hundred fifteen thousand, eight hundred forty".