516145 has 8 divisors (see below), whose sum is σ = 707904. Its totient is φ = 353904.

The previous prime is 516127. The next prime is 516151. The reversal of 516145 is 541615.

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 516145 - 2⁷ = 516017 is a prime.

It is a super-2 number, since 2×516145² = 532811322050, which contains 22 as substring.

It is a Duffinian number.

516145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7339 + ... + 7408.

It is an arithmetic number, because the mean of its divisors is an integer number (88488).

2⁵¹⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

516145 is a deficient number, since it is larger than the sum of its proper divisors (191759).

516145 is a wasteful number, since it uses less digits than its factorization.

516145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14759.

The product of its digits is 600, while the sum is 22.

The square root of 516145 is about 718.4323210992. The cubic root of 516145 is about 80.2153054414.

The spelling of 516145 in words is "five hundred sixteen thousand, one hundred forty-five".