5391089145 has 48 divisors (see below), whose sum is σ = 10121726160. Its totient is φ = 2638683648.

The previous prime is 5391089141. The next prime is 5391089153. The reversal of 5391089145 is 5419801935.

5391089145 is a `hidden beast` number, since 539 + 108 + 9 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 395850816 + 4995238329 = 19896^2 + 70677^2 .

It is not a de Polignac number, because 5391089145 - 2² = 5391089141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5391089145.

It is not an unprimeable number, because it can be changed into a prime (5391089141) 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 47 ways as a sum of consecutive naturals, for example, 74571 + ... + 127839.

It is an arithmetic number, because the mean of its divisors is an integer number (210869295).

Almost surely, 2^5391089145 is an apocalyptic number.

It is an amenable number.

5391089145 is a deficient number, since it is larger than the sum of its proper divisors (4730637015).

5391089145 is a wasteful number, since it uses less digits than its factorization.

5391089145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53466 (or 53463 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 5391089145 is about 73424.0365616056. The cubic root of 5391089145 is about 1753.4450931820.

The spelling of 5391089145 in words is "five billion, three hundred ninety-one million, eighty-nine thousand, one hundred forty-five".