9102145 has 16 divisors (see below), whose sum is σ = 11832912. Its totient is φ = 6681600.

The previous prime is 9102139. The next prime is 9102179. The reversal of 9102145 is 5412019.

It can be written as a sum of positive squares in 8 ways, for example, as 505521 + 8596624 = 711^2 + 2932^2 .

It is not a de Polignac number, because 9102145 - 2⁹ = 9101633 is a prime.

9102145 is a modest number, since divided by 2145 gives 910 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14845 + ... + 15445.

It is an arithmetic number, because the mean of its divisors is an integer number (739557).

Almost surely, 2^9102145 is an apocalyptic number.

It is an amenable number.

9102145 is a deficient number, since it is larger than the sum of its proper divisors (2730767).

9102145 is a wasteful number, since it uses less digits than its factorization.

9102145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 9102145 is about 3016.9761351393. The cubic root of 9102145 is about 208.7923504021.

The spelling of 9102145 in words is "nine million, one hundred two thousand, one hundred forty-five".