143161200 has 720 divisors, whose sum is σ = 671623680. Its totient is φ = 27371520.

The previous prime is 143161159. The next prime is 143161211. The reversal of 143161200 is 2161341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6224389 + ... + 6224411.

Almost surely, 2^143161200 is an apocalyptic number.

143161200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143161200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335811840).

143161200 is an abundant number, since it is smaller than the sum of its proper divisors (528462480).

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

143161200 is a wasteful number, since it uses less digits than its factorization.

143161200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 143161200 is about 11964.9989552862. The cubic root of 143161200 is about 523.1285751052.

The spelling of 143161200 in words is "one hundred forty-three million, one hundred sixty-one thousand, two hundred".