97305145 has 16 divisors (see below), whose sum is σ = 135330048. Its totient is φ = 65782080.

The previous prime is 97305119. The next prime is 97305151. The reversal of 97305145 is 54150379.

It is not a de Polignac number, because 97305145 - 2⁵ = 97305113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97305145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17094 + ... + 22063.

It is an arithmetic number, because the mean of its divisors is an integer number (8458128).

Almost surely, 2^97305145 is an apocalyptic number.

It is an amenable number.

97305145 is a deficient number, since it is larger than the sum of its proper divisors (38024903).

97305145 is a wasteful number, since it uses less digits than its factorization.

97305145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39240.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 97305145 is about 9864.3370279001. The cubic root of 97305145 is about 459.9513890030.

The spelling of 97305145 in words is "ninety-seven million, three hundred five thousand, one hundred forty-five".