424143455 has 16 divisors (see below), whose sum is σ = 540929664. Its totient is φ = 318159360.

The previous prime is 424143451. The next prime is 424143487. The reversal of 424143455 is 554341424.

It is not a de Polignac number, because 424143455 - 2² = 424143451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424143451) 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, 13829 + ... + 32241.

It is an arithmetic number, because the mean of its divisors is an integer number (33808104).

Almost surely, 2^424143455 is an apocalyptic number.

424143455 is a deficient number, since it is larger than the sum of its proper divisors (116786209).

424143455 is a wasteful number, since it uses less digits than its factorization.

424143455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18706.

The product of its digits is 38400, while the sum is 32.

The square root of 424143455 is about 20594.7433827178. The cubic root of 424143455 is about 751.3418673870.

Adding to 424143455 its reverse (554341424), we get a palindrome (978484879).

The spelling of 424143455 in words is "four hundred twenty-four million, one hundred forty-three thousand, four hundred fifty-five".