200856745 has 16 divisors (see below), whose sum is σ = 248427648. Its totient is φ = 155800960.

The previous prime is 200856739. The next prime is 200856749. The reversal of 200856745 is 547658002.

It is a happy number.

It is not a de Polignac number, because 200856745 - 2³ = 200856737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200856749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31302 + ... + 37168.

It is an arithmetic number, because the mean of its divisors is an integer number (15526728).

Almost surely, 2^200856745 is an apocalyptic number.

It is an amenable number.

200856745 is a deficient number, since it is larger than the sum of its proper divisors (47570903).

200856745 is a wasteful number, since it uses less digits than its factorization.

200856745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 200856745 is about 14172.3937639342. The cubic root of 200856745 is about 585.6374039623.

It can be divided in two parts, 200856 and 745, that added together give a square (201601 = 449²).

The spelling of 200856745 in words is "two hundred million, eight hundred fifty-six thousand, seven hundred forty-five".