143226000 has 240 divisors, whose sum is σ = 511745520. Its totient is φ = 37324800.

The previous prime is 143225977. The next prime is 143226007. The reversal of 143226000 is 622341.

It is a happy number.

143226000 is a `hidden beast` number, since 1 + 43 + 22 + 600 + 0 = 666.

143226000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 29419776 + 113806224 = 5424^2 + 10668^2 .

It is a tau number, because it is divible by the number of its divisors (240).

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

It is not an unprimeable number, because it can be changed into a prime (143226007) 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, 1313946 + ... + 1314054.

It is an arithmetic number, because the mean of its divisors is an integer number (2132273).

Almost surely, 2^143226000 is an apocalyptic number.

143226000 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 143226000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255872760).

143226000 is an abundant number, since it is smaller than the sum of its proper divisors (368519520).

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

143226000 is a wasteful number, since it uses less digits than its factorization.

143226000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143226000 is about 11967.7065472044. The cubic root of 143226000 is about 523.2074922475.

Adding to 143226000 its reverse (622341), we get a palindrome (143848341).

The spelling of 143226000 in words is "one hundred forty-three million, two hundred twenty-six thousand".