143225280 has 336 divisors, whose sum is σ = 559429920. Its totient is φ = 34467840.

The previous prime is 143225267. The next prime is 143225281. The reversal of 143225280 is 82522341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143225281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1045372 + ... + 1045508.

It is an arithmetic number, because the mean of its divisors is an integer number (1664970).

Almost surely, 2^143225280 is an apocalyptic number.

143225280 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 143225280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279714960).

143225280 is an abundant number, since it is smaller than the sum of its proper divisors (416204640).

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

143225280 is a wasteful number, since it uses less digits than its factorization.

143225280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 143225280 is about 11967.6764662152. The cubic root of 143225280 is about 523.2066155211.

The spelling of 143225280 in words is "one hundred forty-three million, two hundred twenty-five thousand, two hundred eighty".