130245444 has 36 divisors (see below), whose sum is σ = 376265344. Its totient is φ = 37212912.

The previous prime is 130245443. The next prime is 130245461. The reversal of 130245444 is 444542031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (130245443) 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 11 ways as a sum of consecutive naturals, for example, 258172 + ... + 258675.

Almost surely, 2^130245444 is an apocalyptic number.

130245444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130245444 is an abundant number, since it is smaller than the sum of its proper divisors (246019900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130245444 is a wasteful number, since it uses less digits than its factorization.

130245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516864 (or 516859 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 130245444 is about 11412.5126067838. The cubic root of 130245444 is about 506.8983141656.

Adding to 130245444 its reverse (444542031), we get a palindrome (574787475).

The spelling of 130245444 in words is "one hundred thirty million, two hundred forty-five thousand, four hundred forty-four".