45312232405105 has 4 divisors (see below), whose sum is σ = 54374678886132. Its totient is φ = 36249785924080.

The previous prime is 45312232405049. The next prime is 45312232405129. The reversal of 45312232405105 is 50150423221354.

It is a happy number.

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 34063191431424 + 11249040973681 = 5836368^2 + 3353959^2 .

It is not a de Polignac number, because 45312232405105 - 2²³ = 45312224016497 is a prime.

It is a super-2 number, since 2×45312232405105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4531223240506 + ... + 4531223240515.

It is an arithmetic number, because the mean of its divisors is an integer number (13593669721533).

Almost surely, 2^{45312232405105} is an apocalyptic number.

It is an amenable number.

45312232405105 is a deficient number, since it is larger than the sum of its proper divisors (9062446481027).

45312232405105 is an equidigital number, since it uses as much as digits as its factorization.

45312232405105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062446481026.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 45312232405105 its reverse (50150423221354), we get a palindrome (95462655626459).

The spelling of 45312232405105 in words is "forty-five trillion, three hundred twelve billion, two hundred thirty-two million, four hundred five thousand, one hundred five".