45126576021845 has 8 divisors (see below), whose sum is σ = 54151959723576. Its totient is φ = 36101215152576.

The previous prime is 45126576021811. The next prime is 45126576021847. The reversal of 45126576021845 is 54812067562154.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 252962726116 + 44873613295729 = 502954^2 + 6698777^2 .

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 45126576021845 - 2¹⁶ = 45126575956309 is a prime.

It is a super-2 number, since 2×45126576021845² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45126576021847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1008182 + ... + 9553511.

It is an arithmetic number, because the mean of its divisors is an integer number (6768994965447).

Almost surely, 2^{45126576021845} is an apocalyptic number.

It is an amenable number.

45126576021845 is a deficient number, since it is larger than the sum of its proper divisors (9025383701731).

45126576021845 is a wasteful number, since it uses less digits than its factorization.

45126576021845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416231.

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 45126576021845 in words is "forty-five trillion, one hundred twenty-six billion, five hundred seventy-six million, twenty-one thousand, eight hundred forty-five".