143400220 has 24 divisors (see below), whose sum is σ = 316990800. Its totient is φ = 54340992.

The previous prime is 143400217. The next prime is 143400233. The reversal of 143400220 is 22004341.

It is a junction number, because it is equal to n+sod(n) for n = 143400194 and 143400203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188305 + ... + 189064.

It is an arithmetic number, because the mean of its divisors is an integer number (13207950).

Almost surely, 2^143400220 is an apocalyptic number.

143400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143400220 is an abundant number, since it is smaller than the sum of its proper divisors (173590580).

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

143400220 is a wasteful number, since it uses less digits than its factorization.

143400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377397 (or 377395 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 143400220 is about 11974.9830897584. The cubic root of 143400220 is about 523.4195493569.

Adding to 143400220 its reverse (22004341), we get a palindrome (165404561).

The spelling of 143400220 in words is "one hundred forty-three million, four hundred thousand, two hundred twenty".