130145305 has 16 divisors (see below), whose sum is σ = 160776000. Its totient is φ = 101078208.

The previous prime is 130145291. The next prime is 130145321. The reversal of 130145305 is 503541031.

It is a happy number.

It is not a de Polignac number, because 130145305 - 2⁵ = 130145273 is a prime.

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, 35446 + ... + 38944.

It is an arithmetic number, because the mean of its divisors is an integer number (10048500).

Almost surely, 2^130145305 is an apocalyptic number.

It is an amenable number.

130145305 is a deficient number, since it is larger than the sum of its proper divisors (30630695).

130145305 is a wasteful number, since it uses less digits than its factorization.

130145305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130145305 is about 11408.1245172026. The cubic root of 130145305 is about 506.7683715402.

Adding to 130145305 its reverse (503541031), we get a palindrome (633686336).

The spelling of 130145305 in words is "one hundred thirty million, one hundred forty-five thousand, three hundred five".