143198420 has 12 divisors (see below), whose sum is σ = 300716724. Its totient is φ = 57279360.

The previous prime is 143198417. The next prime is 143198441. The reversal of 143198420 is 24891341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45346756 + 97851664 = 6734^2 + 9892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579941 + ... + 3579980.

It is an arithmetic number, because the mean of its divisors is an integer number (25059727).

Almost surely, 2^143198420 is an apocalyptic number.

143198420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143198420 is an abundant number, since it is smaller than the sum of its proper divisors (157518304).

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

143198420 is a wasteful number, since it uses less digits than its factorization.

143198420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159930 (or 7159928 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 143198420 is about 11966.5542241700. The cubic root of 143198420 is about 523.1739066579.

The spelling of 143198420 in words is "one hundred forty-three million, one hundred ninety-eight thousand, four hundred twenty".