205155148 has 24 divisors (see below), whose sum is σ = 404296704. Its totient is φ = 90243600.

The previous prime is 205155143. The next prime is 205155151. The reversal of 205155148 is 841551502.

205155148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (205155143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73840 + ... + 76567.

It is an arithmetic number, because the mean of its divisors is an integer number (16845696).

Almost surely, 2^205155148 is an apocalyptic number.

It is an amenable number.

205155148 is a deficient number, since it is larger than the sum of its proper divisors (199141556).

205155148 is a wasteful number, since it uses less digits than its factorization.

205155148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150453 (or 150451 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 205155148 is about 14323.2380417279. The cubic root of 205155148 is about 589.7855660460.

The spelling of 205155148 in words is "two hundred five million, one hundred fifty-five thousand, one hundred forty-eight".