524140144 has 40 divisors (see below), whose sum is σ = 1111254768. Its totient is φ = 237511680.

The previous prime is 524140139. The next prime is 524140147. The reversal of 524140144 is 441041425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524140147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54894 + ... + 63730.

Almost surely, 2^524140144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524140144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555627384).

524140144 is an abundant number, since it is smaller than the sum of its proper divisors (587114624).

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

524140144 is a wasteful number, since it uses less digits than its factorization.

524140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193 (or 9187 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 524140144 is about 22894.1071894057. The cubic root of 524140144 is about 806.2736644778.

Adding to 524140144 its reverse (441041425), we get a palindrome (965181569).

The spelling of 524140144 in words is "five hundred twenty-four million, one hundred forty thousand, one hundred forty-four".