97085145 has 16 divisors (see below), whose sum is σ = 155525760. Its totient is φ = 51715584.

The previous prime is 97085143. The next prime is 97085161. The reversal of 97085145 is 54158079.

97085145 is a nontrivial binomial coefficient, being equal to C(13935, 2).

It is not a de Polignac number, because 97085145 - 2¹ = 97085143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97085141) 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, 10452 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (9720360).

Almost surely, 2^97085145 is an apocalyptic number.

97085145 is the 13934-th triangular number.

It is an amenable number.

97085145 is a deficient number, since it is larger than the sum of its proper divisors (58440615).

97085145 is a wasteful number, since it uses less digits than its factorization.

97085145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 97085145 is about 9853.1794361008. The cubic root of 97085145 is about 459.6044883257.

The spelling of 97085145 in words is "ninety-seven million, eighty-five thousand, one hundred forty-five".