5445005445 has 72 divisors (see below), whose sum is σ = 10477781496. Its totient is φ = 2613600000.

The previous prime is 5445005417. The next prime is 5445005453.

5445005445 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3377120769 + 2067884676 = 58113^2 + 45474^2 .

It is not a de Polignac number, because 5445005445 - 2⁶ = 5445005381 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 544995 + ... + 554895.

It is an arithmetic number, because the mean of its divisors is an integer number (145524743).

Almost surely, 2^5445005445 is an apocalyptic number.

5445005445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445005445 is a deficient number, since it is larger than the sum of its proper divisors (5032776051).

5445005445 is a wasteful number, since it uses less digits than its factorization.

5445005445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035 (or 10021 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5445005445 is about 73790.2801526055. The cubic root of 5445005445 is about 1759.2711174547.

It can be divided in two parts, 544500 and 5445, that multiplied together give a square (2964802500 = 54450²).

The spelling of 5445005445 in words is "five billion, four hundred forty-five million, five thousand, four hundred forty-five".