200142252 has 30 divisors (see below), whose sum is σ = 523212228. Its totient is φ = 66713976.

The previous prime is 200142233. The next prime is 200142269. The reversal of 200142252 is 252241002.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 9 ways as a sum of consecutive naturals, for example, 308538 + ... + 309185.

Almost surely, 2^200142252 is an apocalyptic number.

It is an amenable number.

200142252 is an abundant number, since it is smaller than the sum of its proper divisors (323069976).

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

200142252 is a wasteful number, since it uses less digits than its factorization.

200142252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617739 (or 617728 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 200142252 is about 14147.1640974437. The cubic root of 200142252 is about 584.9421639075.

Adding to 200142252 its reverse (252241002), we get a palindrome (452383254).

It can be divided in two parts, 2001 and 42252, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 200142252 in words is "two hundred million, one hundred forty-two thousand, two hundred fifty-two".