2444502145 has 4 divisors (see below), whose sum is σ = 2933402580. Its totient is φ = 1955601712.

The previous prime is 2444502127. The next prime is 2444502149. The reversal of 2444502145 is 5412054442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1305304641 + 1139197504 = 36129^2 + 33752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444502145 - 2¹⁷ = 2444371073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2444502149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244450210 + ... + 244450219.

It is an arithmetic number, because the mean of its divisors is an integer number (733350645).

Almost surely, 2^2444502145 is an apocalyptic number.

It is an amenable number.

2444502145 is a deficient number, since it is larger than the sum of its proper divisors (488900435).

2444502145 is an equidigital number, since it uses as much as digits as its factorization.

2444502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488900434.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 2444502145 is about 49441.9067694603. The cubic root of 2444502145 is about 1347.0906059631.

Adding to 2444502145 its reverse (5412054442), we get a palindrome (7856556587).

The spelling of 2444502145 in words is "two billion, four hundred forty-four million, five hundred two thousand, one hundred forty-five".