2154143124 has 72 divisors (see below), whose sum is σ = 6310781568. Its totient is φ = 606795840.

The previous prime is 2154143087. The next prime is 2154143137. The reversal of 2154143124 is 4213414512.

2154143124 is a `hidden beast` number, since 215 + 414 + 31 + 2 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42307 + ... + 78090.

It is an arithmetic number, because the mean of its divisors is an integer number (87649744).

Almost surely, 2^2154143124 is an apocalyptic number.

It is an amenable number.

2154143124 is an abundant number, since it is smaller than the sum of its proper divisors (4156638444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154143124 is a wasteful number, since it uses less digits than its factorization.

2154143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120485 (or 120480 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2154143124 is about 46412.7474299895. The cubic root of 2154143124 is about 1291.4913993050.

Adding to 2154143124 its reverse (4213414512), we get a palindrome (6367557636).

The spelling of 2154143124 in words is "two billion, one hundred fifty-four million, one hundred forty-three thousand, one hundred twenty-four".