516444145 has 8 divisors (see below), whose sum is σ = 708266304. Its totient is φ = 354133104.

The previous prime is 516444119. The next prime is 516444157. The reversal of 516444145 is 541444615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516444145 - 2⁷ = 516444017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516444145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7377739 + ... + 7377808.

It is an arithmetic number, because the mean of its divisors is an integer number (88533288).

Almost surely, 2^516444145 is an apocalyptic number.

It is an amenable number.

516444145 is a deficient number, since it is larger than the sum of its proper divisors (191822159).

516444145 is a wasteful number, since it uses less digits than its factorization.

516444145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14755559.

The product of its digits is 38400, while the sum is 34.

The square root of 516444145 is about 22725.4074770949. The cubic root of 516444145 is about 802.3079939060.

The spelling of 516444145 in words is "five hundred sixteen million, four hundred forty-four thousand, one hundred forty-five".