143006420 has 24 divisors (see below), whose sum is σ = 302162784. Its totient is φ = 56850336.

The previous prime is 143006399. The next prime is 143006447. The reversal of 143006420 is 24600341.

It is a happy number.

It is a super-2 number, since 2×143006420² = 40901672322432800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 143006392 and 143006401.

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, 18674 + ... + 25193.

It is an arithmetic number, because the mean of its divisors is an integer number (12590116).

Almost surely, 2^143006420 is an apocalyptic number.

143006420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143006420 is an abundant number, since it is smaller than the sum of its proper divisors (159156364).

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

143006420 is a wasteful number, since it uses less digits than its factorization.

143006420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44039 (or 44037 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143006420 is about 11958.5291737738. The cubic root of 143006420 is about 522.9399787564.

Adding to 143006420 its reverse (24600341), we get a palindrome (167606761).

The spelling of 143006420 in words is "one hundred forty-three million, six thousand, four hundred twenty".