2145151122 has 16 divisors (see below), whose sum is σ = 4308107232. Its totient is φ = 712082880.

The previous prime is 2145151117. The next prime is 2145151139. The reversal of 2145151122 is 2211515412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2145151092 and 2145151101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740308 + ... + 743199.

It is an arithmetic number, because the mean of its divisors is an integer number (269256702).

Almost surely, 2^2145151122 is an apocalyptic number.

2145151122 is an abundant number, since it is smaller than the sum of its proper divisors (2162956110).

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

2145151122 is a wasteful number, since it uses less digits than its factorization.

2145151122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483753.

The product of its digits is 800, while the sum is 24.

The square root of 2145151122 is about 46315.7761675220. The cubic root of 2145151122 is about 1289.6918764119.

Adding to 2145151122 its reverse (2211515412), we get a palindrome (4356666534).

The spelling of 2145151122 in words is "two billion, one hundred forty-five million, one hundred fifty-one thousand, one hundred twenty-two".