45505201044445 has 16 divisors (see below), whose sum is σ = 54617202223920. Its totient is φ = 36396854208000.

The previous prime is 45505201044431. The next prime is 45505201044449. The reversal of 45505201044445 is 54444010250554.

It can be written as a sum of positive squares in 8 ways, for example, as 224427692644 + 45280773351801 = 473738^2 + 6729099^2 .

It is not a de Polignac number, because 45505201044445 - 2²¹ = 45505198947293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45505201044449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811101895 + ... + 811157995.

It is an arithmetic number, because the mean of its divisors is an integer number (3413575138995).

Almost surely, 2^{45505201044445} is an apocalyptic number.

It is an amenable number.

45505201044445 is a deficient number, since it is larger than the sum of its proper divisors (9112001179475).

45505201044445 is a wasteful number, since it uses less digits than its factorization.

45505201044445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85776.

The product of its (nonzero) digits is 1280000, while the sum is 43.

Adding to 45505201044445 its reverse (54444010250554), we get a palindrome (99949211294999).

The spelling of 45505201044445 in words is "forty-five trillion, five hundred five billion, two hundred one million, forty-four thousand, four hundred forty-five".