525198142 has 8 divisors (see below), whose sum is σ = 900339696. Its totient is φ = 225084912.

The previous prime is 525198139. The next prime is 525198197. The reversal of 525198142 is 241891525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18757063 + ... + 18757090.

It is an arithmetic number, because the mean of its divisors is an integer number (112542462).

Almost surely, 2^525198142 is an apocalyptic number.

525198142 is a deficient number, since it is larger than the sum of its proper divisors (375141554).

525198142 is a wasteful number, since it uses less digits than its factorization.

525198142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37514162.

The product of its digits is 28800, while the sum is 37.

The square root of 525198142 is about 22917.2018798107. The cubic root of 525198142 is about 806.8157984945.

The spelling of 525198142 in words is "five hundred twenty-five million, one hundred ninety-eight thousand, one hundred forty-two".