200142557 has 2 divisors, whose sum is σ = 200142558. Its totient is φ = 200142556.

The previous prime is 200142517. The next prime is 200142563. The reversal of 200142557 is 755241002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197514916 + 2627641 = 14054^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 200142557 - 2⁸ = 200142301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200142517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071278 + 100071279.

It is an arithmetic number, because the mean of its divisors is an integer number (100071279).

Almost surely, 2^200142557 is an apocalyptic number.

It is an amenable number.

200142557 is a deficient number, since it is larger than the sum of its proper divisors (1).

200142557 is an equidigital number, since it uses as much as digits as its factorization.

200142557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 200142557 is about 14147.1748769852. The cubic root of 200142557 is about 584.9424610416.

Adding to 200142557 its reverse (755241002), we get a palindrome (955383559).

The spelling of 200142557 in words is "two hundred million, one hundred forty-two thousand, five hundred fifty-seven".