41545221545 has 16 divisors (see below), whose sum is σ = 50058488592. Its totient is φ = 33100185600.

The previous prime is 41545221499. The next prime is 41545221569. The reversal of 41545221545 is 54512254514.

It can be written as a sum of positive squares in 8 ways, for example, as 22911060496 + 18634161049 = 151364^2 + 136507^2 .

It is not a de Polignac number, because 41545221545 - 2¹⁴ = 41545205161 is a prime.

It is a super-3 number, since 3×41545221545³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41545221499 and 41545221508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336609 + ... + 2354321.

It is an arithmetic number, because the mean of its divisors is an integer number (3128655537).

Almost surely, 2^41545221545 is an apocalyptic number.

It is an amenable number.

41545221545 is a deficient number, since it is larger than the sum of its proper divisors (8513267047).

41545221545 is a wasteful number, since it uses less digits than its factorization.

41545221545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19612.

The product of its digits is 160000, while the sum is 38.

The spelling of 41545221545 in words is "forty-one billion, five hundred forty-five million, two hundred twenty-one thousand, five hundred forty-five".