7452181441 has 8 divisors (see below), whose sum is σ = 7599436200. Its totient is φ = 7305172992.

The previous prime is 7452181439. The next prime is 7452181459. The reversal of 7452181441 is 1441812547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1585234225 + 5866947216 = 39815^2 + 76596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7452181441 - 2¹ = 7452181439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7452181441.

It is not an unprimeable number, because it can be changed into a prime (7452181141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135 + ... + 122083.

It is an arithmetic number, because the mean of its divisors is an integer number (949929525).

Almost surely, 2^7452181441 is an apocalyptic number.

It is an amenable number.

7452181441 is a deficient number, since it is larger than the sum of its proper divisors (147254759).

7452181441 is a wasteful number, since it uses less digits than its factorization.

7452181441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123155.

The product of its digits is 35840, while the sum is 37.

The square root of 7452181441 is about 86326.0183316710. The cubic root of 7452181441 is about 1953.2648738725.

Adding to 7452181441 its reverse (1441812547), we get a palindrome (8893993988).

The spelling of 7452181441 in words is "seven billion, four hundred fifty-two million, one hundred eighty-one thousand, four hundred forty-one".