4045550112545 has 8 divisors (see below), whose sum is σ = 4854672090024. Its totient is φ = 3236432120064.

The previous prime is 4045550112533. The next prime is 4045550112557. The reversal of 4045550112545 is 5452110555404.

It is an interprime number because it is at equal distance from previous prime (4045550112533) and next prime (4045550112557).

It can be written as a sum of positive squares in 4 ways, for example, as 63338292241 + 3982211820304 = 251671^2 + 1995548^2 .

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 4045550112545 - 2³⁴ = 4028370243361 is a prime.

It is a super-2 number, since 2×4045550112545² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127737 + ... + 3552233.

It is an arithmetic number, because the mean of its divisors is an integer number (606834011253).

Almost surely, 2^{4045550112545} is an apocalyptic number.

It is an amenable number.

4045550112545 is a deficient number, since it is larger than the sum of its proper divisors (809121977479).

4045550112545 is a wasteful number, since it uses less digits than its factorization.

4045550112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992499.

The product of its (nonzero) digits is 400000, while the sum is 41.

Adding to 4045550112545 its reverse (5452110555404), we get a palindrome (9497660667949).

The spelling of 4045550112545 in words is "four trillion, forty-five billion, five hundred fifty million, one hundred twelve thousand, five hundred forty-five".