130550945 has 16 divisors (see below), whose sum is σ = 182697600. Its totient is φ = 89519472.

The previous prime is 130550941. The next prime is 130550977. The reversal of 130550945 is 549055031.

It is not a de Polignac number, because 130550945 - 2² = 130550941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130550941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36347 + ... + 39776.

It is an arithmetic number, because the mean of its divisors is an integer number (11418600).

Almost surely, 2^130550945 is an apocalyptic number.

It is an amenable number.

130550945 is a deficient number, since it is larger than the sum of its proper divisors (52146655).

130550945 is an frugal number, since it uses more digits than its factorization.

130550945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76149 (or 76135 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 130550945 is about 11425.8892432931. The cubic root of 130550945 is about 507.2943280746.

The spelling of 130550945 in words is "one hundred thirty million, five hundred fifty thousand, nine hundred forty-five".