143612438161920 has 320 divisors, whose sum is σ = 565059711363840. Its totient is φ = 30300646146048.

The previous prime is 143612438161909. The next prime is 143612438161961. The reversal of 143612438161920 is 29161834216341.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×143612438161920² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 102045825 + ... + 103443584.

It is an arithmetic number, because the mean of its divisors is an integer number (1765811598012).

Almost surely, 2^{143612438161920} is an apocalyptic number.

143612438161920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143612438161920 is an abundant number, since it is smaller than the sum of its proper divisors (421447273201920).

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

143612438161920 is a wasteful number, since it uses less digits than its factorization.

143612438161920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205489455 (or 205489439 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 143612438161920 in words is "one hundred forty-three trillion, six hundred twelve billion, four hundred thirty-eight million, one hundred sixty-one thousand, nine hundred twenty".