200145554069 has 2 divisors, whose sum is σ = 200145554070. Its totient is φ = 200145554068.

The previous prime is 200145554027. The next prime is 200145554083. The reversal of 200145554069 is 960455541002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134641294225 + 65504259844 = 366935^2 + 255938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200145554069 is a prime.

It is a super-4 number, since 4×200145554069⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200145557069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100072777034 + 100072777035.

It is an arithmetic number, because the mean of its divisors is an integer number (100072777035).

Almost surely, 2^200145554069 is an apocalyptic number.

It is an amenable number.

200145554069 is a deficient number, since it is larger than the sum of its proper divisors (1).

200145554069 is an equidigital number, since it uses as much as digits as its factorization.

200145554069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 200145554069 in words is "two hundred billion, one hundred forty-five million, five hundred fifty-four thousand, sixty-nine".