5146890545 has 4 divisors (see below), whose sum is σ = 6176268660. Its totient is φ = 4117512432.

The previous prime is 5146890521. The next prime is 5146890557. The reversal of 5146890545 is 5450986415.

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 529552144 + 4617338401 = 23012^2 + 67951^2 .

It is a cyclic number.

It is not a de Polignac number, because 5146890545 - 2²⁰ = 5145841969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5146890545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514689050 + ... + 514689059.

It is an arithmetic number, because the mean of its divisors is an integer number (1544067165).

Almost surely, 2^5146890545 is an apocalyptic number.

It is an amenable number.

5146890545 is a deficient number, since it is larger than the sum of its proper divisors (1029378115).

5146890545 is a wasteful number, since it uses less digits than its factorization.

5146890545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029378114.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 5146890545 is about 71741.8326013491. The cubic root of 5146890545 is about 1726.5598766999.

The spelling of 5146890545 in words is "five billion, one hundred forty-six million, eight hundred ninety thousand, five hundred forty-five".