518053145 has 8 divisors (see below), whose sum is σ = 654383040. Its totient is φ = 392629680.

The previous prime is 518053097. The next prime is 518053177. The reversal of 518053145 is 541350815.

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

It is not a de Polignac number, because 518053145 - 2¹⁰ = 518052121 is a prime.

It is a super-3 number, since 3×518053145³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2726501 + ... + 2726690.

It is an arithmetic number, because the mean of its divisors is an integer number (81797880).

Almost surely, 2^518053145 is an apocalyptic number.

It is an amenable number.

518053145 is a deficient number, since it is larger than the sum of its proper divisors (136329895).

518053145 is a wasteful number, since it uses less digits than its factorization.

518053145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453215.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 518053145 is about 22760.7808521588. The cubic root of 518053145 is about 803.1403364167.

The spelling of 518053145 in words is "five hundred eighteen million, fifty-three thousand, one hundred forty-five".