45444254501 has 4 divisors (see below), whose sum is σ = 45621080652. Its totient is φ = 45267428352.

The previous prime is 45444254447. The next prime is 45444254503. The reversal of 45444254501 is 10545244454.

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 34474834276 + 10969420225 = 185674^2 + 104735^2 .

It is a cyclic number.

It is not a de Polignac number, because 45444254501 - 2⁶ = 45444254437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444254503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88412690 + ... + 88413203.

It is an arithmetic number, because the mean of its divisors is an integer number (11405270163).

Almost surely, 2^45444254501 is an apocalyptic number.

It is an amenable number.

45444254501 is a deficient number, since it is larger than the sum of its proper divisors (176826151).

45444254501 is a wasteful number, since it uses less digits than its factorization.

45444254501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176826150.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 45444254501 its reverse (10545244454), we get a palindrome (55989498955).

The spelling of 45444254501 in words is "forty-five billion, four hundred forty-four million, two hundred fifty-four thousand, five hundred one".