2143155433 has 8 divisors (see below), whose sum is σ = 2242094400. Its totient is φ = 2044696368.

The previous prime is 2143155431. The next prime is 2143155437. The reversal of 2143155433 is 3345513412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143155433 - 2¹ = 2143155431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143155395 and 2143155404.

It is not an unprimeable number, because it can be changed into a prime (2143155431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110823 + ... + 128716.

It is an arithmetic number, because the mean of its divisors is an integer number (280261800).

Almost surely, 2^2143155433 is an apocalyptic number.

2143155433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2143155433 is a deficient number, since it is larger than the sum of its proper divisors (98938967).

2143155433 is a wasteful number, since it uses less digits than its factorization.

2143155433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239951.

The product of its digits is 21600, while the sum is 31.

The square root of 2143155433 is about 46294.2267782928. The cubic root of 2143155433 is about 1289.2918078662.

Adding to 2143155433 its reverse (3345513412), we get a palindrome (5488668845).

The spelling of 2143155433 in words is "two billion, one hundred forty-three million, one hundred fifty-five thousand, four hundred thirty-three".