2151400143 has 8 divisors (see below), whose sum is σ = 2883397168. Its totient is φ = 1426834944.

The previous prime is 2151400109. The next prime is 2151400157. The reversal of 2151400143 is 3410041512.

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

It is not a de Polignac number, because 2151400143 - 2⁶ = 2151400079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151400103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857280 + ... + 1858437.

It is an arithmetic number, because the mean of its divisors is an integer number (360424646).

Almost surely, 2^2151400143 is an apocalyptic number.

2151400143 is a deficient number, since it is larger than the sum of its proper divisors (731997025).

2151400143 is a wasteful number, since it uses less digits than its factorization.

2151400143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715913.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2151400143 is about 46383.1881504495. The cubic root of 2151400143 is about 1290.9429923730.

Adding to 2151400143 its reverse (3410041512), we get a palindrome (5561441655).

The spelling of 2151400143 in words is "two billion, one hundred fifty-one million, four hundred thousand, one hundred forty-three".