97105145 has 8 divisors (see below), whose sum is σ = 116581704. Its totient is φ = 77647104.

The previous prime is 97105121. The next prime is 97105153. The reversal of 97105145 is 54150179.

It can be written as a sum of positive squares in 4 ways, for example, as 14167696 + 82937449 = 3764^2 + 9107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97105145 - 2¹² = 97101049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13067 + ... + 19103.

It is an arithmetic number, because the mean of its divisors is an integer number (14572713).

Almost surely, 2^97105145 is an apocalyptic number.

It is an amenable number.

97105145 is a deficient number, since it is larger than the sum of its proper divisors (19476559).

97105145 is a wasteful number, since it uses less digits than its factorization.

97105145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 97105145 is about 9854.1942846688. The cubic root of 97105145 is about 459.6360463931.

The spelling of 97105145 in words is "ninety-seven million, one hundred five thousand, one hundred forty-five".