143154452172 has 12 divisors (see below), whose sum is σ = 334027055096. Its totient is φ = 47718150720.

The previous prime is 143154452153. The next prime is 143154452179. The reversal of 143154452172 is 271254451341.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143154452172.

It is not an unprimeable number, because it can be changed into a prime (143154452179) 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, 5964768829 + ... + 5964768852.

Almost surely, 2^143154452172 is an apocalyptic number.

143154452172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143154452172 is an abundant number, since it is smaller than the sum of its proper divisors (190872602924).

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

143154452172 is a wasteful number, since it uses less digits than its factorization.

143154452172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11929537688 (or 11929537686 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The spelling of 143154452172 in words is "one hundred forty-three billion, one hundred fifty-four million, four hundred fifty-two thousand, one hundred seventy-two".