51143230 has 8 divisors (see below), whose sum is σ = 92057832. Its totient is φ = 20457288.

The previous prime is 51143201. The next prime is 51143233. The reversal of 51143230 is 3234115.

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

It is a junction number, because it is equal to n+sod(n) for n = 51143198 and 51143207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51143233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557152 + ... + 2557171.

It is an arithmetic number, because the mean of its divisors is an integer number (11507229).

Almost surely, 2^51143230 is an apocalyptic number.

51143230 is a deficient number, since it is larger than the sum of its proper divisors (40914602).

51143230 is a wasteful number, since it uses less digits than its factorization.

51143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114330.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51143230 is about 7151.4495034224. The cubic root of 51143230 is about 371.1898147891.

Adding to 51143230 its reverse (3234115), we get a palindrome (54377345).

The spelling of 51143230 in words is "fifty-one million, one hundred forty-three thousand, two hundred thirty".