5405487145 has 4 divisors (see below), whose sum is σ = 6486584580. Its totient is φ = 4324389712.

The previous prime is 5405487107. The next prime is 5405487167. The reversal of 5405487145 is 5417845045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2805609024 + 2599878121 = 52968^2 + 50989^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405487145 - 2⁹ = 5405486633 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 540548710 + ... + 540548719.

It is an arithmetic number, because the mean of its divisors is an integer number (1621646145).

Almost surely, 2^5405487145 is an apocalyptic number.

It is an amenable number.

5405487145 is a deficient number, since it is larger than the sum of its proper divisors (1081097435).

5405487145 is a wasteful number, since it uses less digits than its factorization.

5405487145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081097434.

The product of its (nonzero) digits is 448000, while the sum is 43.

The square root of 5405487145 is about 73522.0180966219. The cubic root of 5405487145 is about 1755.0046828499.

The spelling of 5405487145 in words is "five billion, four hundred five million, four hundred eighty-seven thousand, one hundred forty-five".