200453445 has 12 divisors (see below), whose sum is σ = 347452716. Its totient is φ = 106908480.

The previous prime is 200453431. The next prime is 200453447. The reversal of 200453445 is 544354002.

200453445 is a `hidden beast` number, since 200 + 453 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143209089 + 57244356 = 11967^2 + 7566^2 .

It is not a de Polignac number, because 200453445 - 2⁵ = 200453413 is a prime.

It is a super-2 number, since 2×200453445² = 80363167224736050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200453447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2227216 + ... + 2227305.

It is an arithmetic number, because the mean of its divisors is an integer number (28954393).

Almost surely, 2^200453445 is an apocalyptic number.

It is an amenable number.

200453445 is a deficient number, since it is larger than the sum of its proper divisors (146999271).

200453445 is a wasteful number, since it uses less digits than its factorization.

200453445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454532 (or 4454529 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 200453445 is about 14158.1582488684. The cubic root of 200453445 is about 585.2451744625.

The spelling of 200453445 in words is "two hundred million, four hundred fifty-three thousand, four hundred forty-five".