130170145 has 16 divisors (see below), whose sum is σ = 180673920. Its totient is φ = 88182144.

The previous prime is 130170143. The next prime is 130170167. The reversal of 130170145 is 541071031.

It is a cyclic number.

It is not a de Polignac number, because 130170145 - 2¹ = 130170143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130170143) by changing a digit.

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, 19500 + ... + 25309.

It is an arithmetic number, because the mean of its divisors is an integer number (11292120).

Almost surely, 2^130170145 is an apocalyptic number.

It is an amenable number.

130170145 is a deficient number, since it is larger than the sum of its proper divisors (50503775).

130170145 is an equidigital number, since it uses as much as digits as its factorization.

130170145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44904.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 130170145 is about 11409.2131630538. The cubic root of 130170145 is about 506.8006106993.

The spelling of 130170145 in words is "one hundred thirty million, one hundred seventy thousand, one hundred forty-five".