143060421 has 8 divisors (see below), whose sum is σ = 217996864. Its totient is φ = 81748800.

The previous prime is 143060419. The next prime is 143060453. The reversal of 143060421 is 124060341.

143060421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143060421 - 2¹ = 143060419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6812401 = 143060421 / (1 + 4 + 3 + 0 + 6 + 0 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143060461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406180 + ... + 3406221.

It is an arithmetic number, because the mean of its divisors is an integer number (27249608).

Almost surely, 2^143060421 is an apocalyptic number.

It is an amenable number.

143060421 is a deficient number, since it is larger than the sum of its proper divisors (74936443).

143060421 is an equidigital number, since it uses as much as digits as its factorization.

143060421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812411.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 143060421 is about 11960.7868052231. The cubic root of 143060421 is about 523.0057933496.

The spelling of 143060421 in words is "one hundred forty-three million, sixty thousand, four hundred twenty-one".