520142 has 16 divisors (see below), whose sum is σ = 909792. Its totient is φ = 218400.

The previous prime is 520129. The next prime is 520151. The reversal of 520142 is 241025.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent 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, 392 + ... + 1092.

It is an arithmetic number, because the mean of its divisors is an integer number (56862).

2⁵²⁰¹⁴² is an apocalyptic number.

520142 is a deficient number, since it is larger than the sum of its proper divisors (389650).

520142 is a wasteful number, since it uses less digits than its factorization.

520142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 520142 is about 721.2087076568. The cubic root of 520142 is about 80.4218342884.

Adding to 520142 its reverse (241025), we get a palindrome (761167).

The spelling of 520142 in words is "five hundred twenty thousand, one hundred forty-two".