525155142 has 32 divisors (see below), whose sum is σ = 1113043680. Its totient is φ = 164890880.

The previous prime is 525155131. The next prime is 525155149. The reversal of 525155142 is 241551525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525155149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29673 + ... + 43940.

It is an arithmetic number, because the mean of its divisors is an integer number (34782615).

Almost surely, 2^525155142 is an apocalyptic number.

525155142 is an abundant number, since it is smaller than the sum of its proper divisors (587888538).

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

525155142 is a wasteful number, since it uses less digits than its factorization.

525155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73688.

The product of its digits is 10000, while the sum is 30.

The square root of 525155142 is about 22916.2637006996. The cubic root of 525155142 is about 806.7937788519.

The spelling of 525155142 in words is "five hundred twenty-five million, one hundred fifty-five thousand, one hundred forty-two".