520144102 has 16 divisors (see below), whose sum is σ = 806529024. Its totient is φ = 251325000.

The previous prime is 520144073. The next prime is 520144109. The reversal of 520144102 is 201441025.

It is a self number, because there is not a number n which added to its sum of digits gives 520144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520144109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40977 + ... + 52147.

It is an arithmetic number, because the mean of its divisors is an integer number (50408064).

Almost surely, 2^520144102 is an apocalyptic number.

520144102 is a deficient number, since it is larger than the sum of its proper divisors (286384922).

520144102 is a wasteful number, since it uses less digits than its factorization.

520144102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 520144102 is about 22806.6679284809. The cubic root of 520144102 is about 804.2194262192.

Adding to 520144102 its reverse (201441025), we get a palindrome (721585127).

The spelling of 520144102 in words is "five hundred twenty million, one hundred forty-four thousand, one hundred two".