2143225154 has 16 divisors (see below), whose sum is σ = 3700536000. Its totient is φ = 911916144.

The previous prime is 2143225141. The next prime is 2143225159. The reversal of 2143225154 is 4515223412.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2143225159) 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, 548729 + ... + 552620.

It is an arithmetic number, because the mean of its divisors is an integer number (231283500).

Almost surely, 2^2143225154 is an apocalyptic number.

2143225154 is a deficient number, since it is larger than the sum of its proper divisors (1557310846).

2143225154 is a wasteful number, since it uses less digits than its factorization.

2143225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101497.

The product of its digits is 9600, while the sum is 29.

The square root of 2143225154 is about 46294.9797926298. The cubic root of 2143225154 is about 1289.3057887684.

Adding to 2143225154 its reverse (4515223412), we get a palindrome (6658448566).

The spelling of 2143225154 in words is "two billion, one hundred forty-three million, two hundred twenty-five thousand, one hundred fifty-four".