305545130 has 32 divisors (see below), whose sum is σ = 603695808. Its totient is φ = 110419200.

The previous prime is 305545111. The next prime is 305545147. The reversal of 305545130 is 31545503.

It is a self number, because there is not a number n which added to its sum of digits gives 305545130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9410 + ... + 26450.

It is an arithmetic number, because the mean of its divisors is an integer number (18865494).

Almost surely, 2^305545130 is an apocalyptic number.

305545130 is a deficient number, since it is larger than the sum of its proper divisors (298150678).

305545130 is a wasteful number, since it uses less digits than its factorization.

305545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17222.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 305545130 is about 17479.8492556429. The cubic root of 305545130 is about 673.5323429549.

The spelling of 305545130 in words is "three hundred five million, five hundred forty-five thousand, one hundred thirty".