200145488 has 20 divisors (see below), whose sum is σ = 410593140. Its totient is φ = 94185984.

The previous prime is 200145479. The next prime is 200145493. The reversal of 200145488 is 884541002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55472704 + 144672784 = 7448^2 + 12028^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367643 + ... + 368186.

It is an arithmetic number, because the mean of its divisors is an integer number (20529657).

Almost surely, 2^200145488 is an apocalyptic number.

It is an amenable number.

200145488 is an abundant number, since it is smaller than the sum of its proper divisors (210447652).

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

200145488 is a wasteful number, since it uses less digits than its factorization.

200145488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735854 (or 735848 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 200145488 is about 14147.2784661927. The cubic root of 200145488 is about 584.9453164363.

The spelling of 200145488 in words is "two hundred million, one hundred forty-five thousand, four hundred eighty-eight".