143366420 has 24 divisors (see below), whose sum is σ = 302032584. Its totient is φ = 57163136.

The previous prime is 143366393. The next prime is 143366437. The reversal of 143366420 is 24663341.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 143328784 = 194^2 + 11972^2 .

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, 4967 + ... + 17646.

It is an arithmetic number, because the mean of its divisors is an integer number (12584691).

Almost surely, 2^143366420 is an apocalyptic number.

143366420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143366420 is an abundant number, since it is smaller than the sum of its proper divisors (158666164).

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

143366420 is a wasteful number, since it uses less digits than its factorization.

143366420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22939 (or 22937 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 143366420 is about 11973.5717311085. The cubic root of 143366420 is about 523.3784221050.

The spelling of 143366420 in words is "one hundred forty-three million, three hundred sixty-six thousand, four hundred twenty".