505200451145 has 8 divisors (see below), whose sum is σ = 652874429256. Its totient is φ = 373071102336.

The previous prime is 505200451127. The next prime is 505200451153. The reversal of 505200451145 is 541154002505.

It can be written as a sum of positive squares in 4 ways, for example, as 172764736 + 505027686409 = 13144^2 + 710653^2 .

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 505200451145 - 2⁸ = 505200450889 is a prime.

It is a super-2 number, since 2×505200451145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian 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, 3886157252 + ... + 3886157381.

It is an arithmetic number, because the mean of its divisors is an integer number (81609303657).

Almost surely, 2^505200451145 is an apocalyptic number.

It is an amenable number.

505200451145 is a deficient number, since it is larger than the sum of its proper divisors (147673978111).

505200451145 is a wasteful number, since it uses less digits than its factorization.

505200451145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772314651.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 505200451145 in words is "five hundred five billion, two hundred million, four hundred fifty-one thousand, one hundred forty-five".