524020142 has 16 divisors (see below), whose sum is σ = 790352640. Its totient is φ = 260573688.

The previous prime is 524020141. The next prime is 524020153. The reversal of 524020142 is 241020425.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524020141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440873 + ... + 442059.

It is an arithmetic number, because the mean of its divisors is an integer number (49397040).

Almost surely, 2^524020142 is an apocalyptic number.

524020142 is a deficient number, since it is larger than the sum of its proper divisors (266332498).

524020142 is a wasteful number, since it uses less digits than its factorization.

524020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 524020142 is about 22891.4862339692. The cubic root of 524020142 is about 806.2121276043.

Adding to 524020142 its reverse (241020425), we get a palindrome (765040567).

The spelling of 524020142 in words is "five hundred twenty-four million, twenty thousand, one hundred forty-two".