2245240144 has 80 divisors (see below), whose sum is σ = 5051105280. Its totient is φ = 946984320.

The previous prime is 2245240111. The next prime is 2245240147. The reversal of 2245240144 is 4410425422.

It is a super-2 number, since 2×2245240144² = 10082206608458281472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245240147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2202867 + ... + 2203885.

It is an arithmetic number, because the mean of its divisors is an integer number (63138816).

Almost surely, 2^2245240144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245240144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2525552640).

2245240144 is an abundant number, since it is smaller than the sum of its proper divisors (2805865136).

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

2245240144 is a wasteful number, since it uses less digits than its factorization.

2245240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 2245240144 is about 47383.9650514813. The cubic root of 2245240144 is about 1309.4460186997.

Adding to 2245240144 its reverse (4410425422), we get a palindrome (6655665566).

The spelling of 2245240144 in words is "two billion, two hundred forty-five million, two hundred forty thousand, one hundred forty-four".