2430144 has 42 divisors (see below), whose sum is σ = 6967220. Its totient is φ = 809856.

The previous prime is 2430139. The next prime is 2430149. The reversal of 2430144 is 4410342.

It is an interprime number because it is at equal distance from previous prime (2430139) and next prime (2430149).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2430149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1534 + ... + 2685.

2^2430144 is an apocalyptic number.

2430144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2430144 is an abundant number, since it is smaller than the sum of its proper divisors (4537076).

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

2430144 is a wasteful number, since it uses less digits than its factorization.

2430144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4224 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2430144 is about 1558.8919141493. The cubic root of 2430144 is about 134.4447979915. Note that the first 3 decimals are identical.

Adding to 2430144 its reverse (4410342), we get a palindrome (6840486).

The spelling of 2430144 in words is "two million, four hundred thirty thousand, one hundred forty-four".