147210305 has 16 divisors (see below), whose sum is σ = 193463424. Its totient is φ = 106644480.

The previous prime is 147210299. The next prime is 147210307. The reversal of 147210305 is 503012741.

It is not a de Polignac number, because 147210305 - 2⁶ = 147210241 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (147210307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9377 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (12091464).

Almost surely, 2^147210305 is an apocalyptic number.

It is an amenable number.

147210305 is a deficient number, since it is larger than the sum of its proper divisors (46253119).

147210305 is a wasteful number, since it uses less digits than its factorization.

147210305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 147210305 is about 12133.0253852862. The cubic root of 147210305 is about 528.0147696836.

The spelling of 147210305 in words is "one hundred forty-seven million, two hundred ten thousand, three hundred five".