45144445305401 has 8 divisors (see below), whose sum is σ = 49118302110024. Its totient is φ = 41242189524480.

The previous prime is 45144445305397. The next prime is 45144445305403. The reversal of 45144445305401 is 10450354444154.

It can be written as a sum of positive squares in 4 ways, for example, as 515351694400 + 44629093611001 = 717880^2 + 6680501^2 .

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 45144445305401 - 2² = 45144445305397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45144445305403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17900254610 + ... + 17900257131.

It is an arithmetic number, because the mean of its divisors is an integer number (6139787763753).

Almost surely, 2^{45144445305401} is an apocalyptic number.

It is an amenable number.

45144445305401 is a deficient number, since it is larger than the sum of its proper divisors (3973856804623).

45144445305401 is a wasteful number, since it uses less digits than its factorization.

45144445305401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35800511851.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 45144445305401 its reverse (10450354444154), we get a palindrome (55594799749555).

The spelling of 45144445305401 in words is "forty-five trillion, one hundred forty-four billion, four hundred forty-five million, three hundred five thousand, four hundred one".