205451044 has 12 divisors (see below), whose sum is σ = 363246604. Its totient is φ = 101666304.

The previous prime is 205451027. The next prime is 205451087. The reversal of 205451044 is 440154502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109998144 + 95452900 = 10488^2 + 9770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264369 + ... + 265144.

Almost surely, 2^205451044 is an apocalyptic number.

It is an amenable number.

205451044 is a deficient number, since it is larger than the sum of its proper divisors (157795560).

205451044 is a wasteful number, since it uses less digits than its factorization.

205451044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529614 (or 529612 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 205451044 is about 14333.5635485388. The cubic root of 205451044 is about 590.0689797737.

The spelling of 205451044 in words is "two hundred five million, four hundred fifty-one thousand, forty-four".