202142524 has 24 divisors (see below), whose sum is σ = 357326480. Its totient is φ = 100054656.

The previous prime is 202142513. The next prime is 202142543. The reversal of 202142524 is 425241202.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 202142495 and 202142504.

It is a congruent number.

It is an unprimeable number.

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, 256459 + ... + 257245.

Almost surely, 2^202142524 is an apocalyptic number.

It is an amenable number.

202142524 is a deficient number, since it is larger than the sum of its proper divisors (155183956).

202142524 is a wasteful number, since it uses less digits than its factorization.

202142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 202142524 is about 14217.6834962662. The cubic root of 202142524 is about 586.8843941913.

Adding to 202142524 its reverse (425241202), we get a palindrome (627383726).

The spelling of 202142524 in words is "two hundred two million, one hundred forty-two thousand, five hundred twenty-four".