305666045 has 16 divisors (see below), whose sum is σ = 380090880. Its totient is φ = 235732800.

The previous prime is 305666027. The next prime is 305666063. The reversal of 305666045 is 540666503.

It is an interprime number because it is at equal distance from previous prime (305666027) and next prime (305666063).

It is not a de Polignac number, because 305666045 - 2¹⁰ = 305665021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305665996 and 305666014.

It is a congruent number.

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, 38030 + ... + 45360.

It is an arithmetic number, because the mean of its divisors is an integer number (23755680).

Almost surely, 2^305666045 is an apocalyptic number.

It is an amenable number.

305666045 is a deficient number, since it is larger than the sum of its proper divisors (74424835).

305666045 is a wasteful number, since it uses less digits than its factorization.

305666045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 305666045 is about 17483.3076104037. The cubic root of 305666045 is about 673.6211780835.

The spelling of 305666045 in words is "three hundred five million, six hundred sixty-six thousand, forty-five".