205032150545 has 8 divisors (see below), whose sum is σ = 246319131624. Its totient is φ = 163838686464.

The previous prime is 205032150539. The next prime is 205032150551. The reversal of 205032150545 is 545051230502.

It is an interprime number because it is at equal distance from previous prime (205032150539) and next prime (205032150551).

It can be written as a sum of positive squares in 4 ways, for example, as 48048201601 + 156983948944 = 219199^2 + 396212^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205032150545 - 2⁶ = 205032150481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23374424 + ... + 23383193.

It is an arithmetic number, because the mean of its divisors is an integer number (30789891453).

Almost surely, 2^205032150545 is an apocalyptic number.

It is an amenable number.

205032150545 is a deficient number, since it is larger than the sum of its proper divisors (41286981079).

205032150545 is an equidigital number, since it uses as much as digits as its factorization.

205032150545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46758499.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 205032150545 in words is "two hundred five billion, thirty-two million, one hundred fifty thousand, five hundred forty-five".