305645153 has 12 divisors (see below), whose sum is σ = 353641680. Its totient is φ = 263233080.

The previous prime is 305645149. The next prime is 305645167. The reversal of 305645153 is 351546503.

It is not a de Polignac number, because 305645153 - 2² = 305645149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305645143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64175 + ... + 68772.

It is an arithmetic number, because the mean of its divisors is an integer number (29470140).

Almost surely, 2^305645153 is an apocalyptic number.

It is an amenable number.

305645153 is a deficient number, since it is larger than the sum of its proper divisors (47996527).

305645153 is a wasteful number, since it uses less digits than its factorization.

305645153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132988 (or 132977 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 305645153 is about 17482.7101159975. The cubic root of 305645153 is about 673.6058305994.

The spelling of 305645153 in words is "three hundred five million, six hundred forty-five thousand, one hundred fifty-three".