2005143430 has 8 divisors (see below), whose sum is σ = 3609258192. Its totient is φ = 802057368.

The previous prime is 2005143409. The next prime is 2005143451. The reversal of 2005143430 is 343415002.

It is an interprime number because it is at equal distance from previous prime (2005143409) and next prime (2005143451).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100257162 + ... + 100257181.

It is an arithmetic number, because the mean of its divisors is an integer number (451157274).

Almost surely, 2^2005143430 is an apocalyptic number.

2005143430 is a deficient number, since it is larger than the sum of its proper divisors (1604114762).

2005143430 is a wasteful number, since it uses less digits than its factorization.

2005143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200514350.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2005143430 is about 44778.8279212397. The cubic root of 2005143430 is about 1261.0001779739. Note that the first 3 decimals are identical.

Adding to 2005143430 its reverse (343415002), we get a palindrome (2348558432).

The spelling of 2005143430 in words is "two billion, five million, one hundred forty-three thousand, four hundred thirty".