424420143 has 16 divisors (see below), whose sum is σ = 656390400. Its totient is φ = 238905216.

The previous prime is 424420121. The next prime is 424420187. The reversal of 424420143 is 341024424.

It is a happy number.

It is not a de Polignac number, because 424420143 - 2⁹ = 424419631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424420103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149418 + ... + 152231.

It is an arithmetic number, because the mean of its divisors is an integer number (41024400).

Almost surely, 2^424420143 is an apocalyptic number.

424420143 is a deficient number, since it is larger than the sum of its proper divisors (231970257).

424420143 is a wasteful number, since it uses less digits than its factorization.

424420143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301726.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 424420143 is about 20601.4597298347. The cubic root of 424420143 is about 751.5052099918.

Adding to 424420143 its reverse (341024424), we get a palindrome (765444567).

The spelling of 424420143 in words is "four hundred twenty-four million, four hundred twenty thousand, one hundred forty-three".