556044145 has 4 divisors (see below), whose sum is σ = 667252980. Its totient is φ = 444835312.

The previous prime is 556044119. The next prime is 556044157. The reversal of 556044145 is 541440655.

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 141229456 + 414814689 = 11884^2 + 20367^2 .

It is a cyclic number.

It is not a de Polignac number, because 556044145 - 2¹⁵ = 556011377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556044145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55604410 + ... + 55604419.

It is an arithmetic number, because the mean of its divisors is an integer number (166813245).

Almost surely, 2^556044145 is an apocalyptic number.

It is an amenable number.

556044145 is a deficient number, since it is larger than the sum of its proper divisors (111208835).

556044145 is a wasteful number, since it uses less digits than its factorization.

556044145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111208834.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 556044145 is about 23580.5883090308. The cubic root of 556044145 is about 822.3116138675.

The spelling of 556044145 in words is "five hundred fifty-six million, forty-four thousand, one hundred forty-five".