143011420 has 24 divisors (see below), whose sum is σ = 300994848. Its totient is φ = 57076800.

The previous prime is 143011417. The next prime is 143011471. The reversal of 143011420 is 24110341.

It is a junction number, because it is equal to n+sod(n) for n = 143011394 and 143011403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (12541452).

Almost surely, 2^143011420 is an apocalyptic number.

143011420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143011420 is an abundant number, since it is smaller than the sum of its proper divisors (157983428).

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

143011420 is a wasteful number, since it uses less digits than its factorization.

143011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15981 (or 15979 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143011420 is about 11958.7382277563. The cubic root of 143011420 is about 522.9460732833.

Adding to 143011420 its reverse (24110341), we get a palindrome (167121761).

The spelling of 143011420 in words is "one hundred forty-three million, eleven thousand, four hundred twenty".