200142251 has 8 divisors (see below), whose sum is σ = 209140224. Its totient is φ = 191169000.

The previous prime is 200142233. The next prime is 200142269. The reversal of 200142251 is 152241002.

It is an interprime number because it is at equal distance from previous prime (200142233) and next prime (200142269).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200142251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200142451) 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, 11480 + ... + 23066.

It is an arithmetic number, because the mean of its divisors is an integer number (26142528).

Almost surely, 2^200142251 is an apocalyptic number.

200142251 is a deficient number, since it is larger than the sum of its proper divisors (8997973).

200142251 is a wasteful number, since it uses less digits than its factorization.

200142251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 200142251 is about 14147.1640621009. The cubic root of 200142251 is about 584.9421629333.

Adding to 200142251 its reverse (152241002), we get a palindrome (352383253).

The spelling of 200142251 in words is "two hundred million, one hundred forty-two thousand, two hundred fifty-one".