2451144 has 64 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 765440.

The previous prime is 2451143. The next prime is 2451151. The reversal of 2451144 is 4411542.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2451144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451143) 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, 46222 + ... + 46274.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^2451144 is an apocalyptic number.

2451144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265920).

2451144 is an abundant number, since it is smaller than the sum of its proper divisors (4080696).

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

2451144 is a wasteful number, since it uses less digits than its factorization.

2451144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 146 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 2451144 is about 1565.6129789958. The cubic root of 2451144 is about 134.8309543920.

Adding to 2451144 its reverse (4411542), we get a palindrome (6862686).

The spelling of 2451144 in words is "two million, four hundred fifty-one thousand, one hundred forty-four".