205437045 has 32 divisors (see below), whose sum is σ = 360213120. Its totient is φ = 99152640.

The previous prime is 205437041. The next prime is 205437049. The reversal of 205437045 is 540734502.

It is an interprime number because it is at equal distance from previous prime (205437041) and next prime (205437049).

It is not a de Polignac number, because 205437045 - 2² = 205437041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205437041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35067 + ... + 40503.

It is an arithmetic number, because the mean of its divisors is an integer number (11256660).

Almost surely, 2^205437045 is an apocalyptic number.

It is an amenable number.

205437045 is a deficient number, since it is larger than the sum of its proper divisors (154776075).

205437045 is a wasteful number, since it uses less digits than its factorization.

205437045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 205437045 is about 14333.0752108541. The cubic root of 205437045 is about 590.0555774515.

The spelling of 205437045 in words is "two hundred five million, four hundred thirty-seven thousand, forty-five".