130072845 has 16 divisors (see below), whose sum is σ = 237847680. Its totient is φ = 59461824.

The previous prime is 130072837. The next prime is 130072847. The reversal of 130072845 is 548270031.

It is not a de Polignac number, because 130072845 - 2³ = 130072837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130072847) 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, 619290 + ... + 619499.

It is an arithmetic number, because the mean of its divisors is an integer number (14865480).

Almost surely, 2^130072845 is an apocalyptic number.

130072845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130072845 is a deficient number, since it is larger than the sum of its proper divisors (107774835).

130072845 is a wasteful number, since it uses less digits than its factorization.

130072845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238804.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 130072845 is about 11404.9482681861. The cubic root of 130072845 is about 506.6743042381.

The spelling of 130072845 in words is "one hundred thirty million, seventy-two thousand, eight hundred forty-five".