520146 has 48 divisors (see below), whose sum is σ = 1280448. Its totient is φ = 151200.

The previous prime is 520129. The next prime is 520151. The reversal of 520146 is 641025.

It is a happy number.

520146 is a `hidden beast` number, since 520 + 146 = 666.

It is a super-2 number, since 2×520146² = 541103722632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7291 + ... + 7361.

It is an arithmetic number, because the mean of its divisors is an integer number (26676).

2⁵²⁰¹⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640224).

520146 is an abundant number, since it is smaller than the sum of its proper divisors (760302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520146 is a wasteful number, since it uses less digits than its factorization.

520146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 520146 is about 721.2114807738. The cubic root of 520146 is about 80.4220404414.

It can be divided in two parts, 520 and 146, that added together give a palindrome (666).

The spelling of 520146 in words is "five hundred twenty thousand, one hundred forty-six".