2144253100 has 54 divisors (see below), whose sum is σ = 5114515532. Its totient is φ = 779724000.

The previous prime is 2144253077. The next prime is 2144253103. The reversal of 2144253100 is 13524412.

It is a super-2 number, since 2×2144253100² = 9195642713719220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2144253103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76506 + ... + 100705.

Almost surely, 2^2144253100 is an apocalyptic number.

2144253100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144253100 is an abundant number, since it is smaller than the sum of its proper divisors (2970262432).

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

2144253100 is a wasteful number, since it uses less digits than its factorization.

2144253100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177247 (or 177229 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2144253100 is about 46306.0805942373. The cubic root of 2144253100 is about 1289.5118839133.

Adding to 2144253100 its reverse (13524412), we get a palindrome (2157777512).

The spelling of 2144253100 in words is "two billion, one hundred forty-four million, two hundred fifty-three thousand, one hundred".