143853474372 has 12 divisors (see below), whose sum is σ = 335658106896. Its totient is φ = 47951158120.

The previous prime is 143853474371. The next prime is 143853474389. The reversal of 143853474372 is 273474358341.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (143853474371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5993894754 + ... + 5993894777.

It is an arithmetic number, because the mean of its divisors is an integer number (27971508908).

Almost surely, 2^143853474372 is an apocalyptic number.

143853474372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143853474372 is an abundant number, since it is smaller than the sum of its proper divisors (191804632524).

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

143853474372 is a wasteful number, since it uses less digits than its factorization.

143853474372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987789538 (or 11987789536 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 51.

The spelling of 143853474372 in words is "one hundred forty-three billion, eight hundred fifty-three million, four hundred seventy-four thousand, three hundred seventy-two".