130523445 has 48 divisors (see below), whose sum is σ = 256488960. Its totient is φ = 60870528.

The previous prime is 130523443. The next prime is 130523453. The reversal of 130523445 is 544325031.

130523445 is a `hidden beast` number, since 130 + 523 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 130523445 - 2¹ = 130523443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130523441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5244 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (5343520).

Almost surely, 2^130523445 is an apocalyptic number.

130523445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130523445 is a deficient number, since it is larger than the sum of its proper divisors (125965515).

130523445 is a wasteful number, since it uses less digits than its factorization.

130523445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11786 (or 11783 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 130523445 is about 11424.6857724841. The cubic root of 130523445 is about 507.2587057775.

Adding to 130523445 its reverse (544325031), we get a palindrome (674848476).

The spelling of 130523445 in words is "one hundred thirty million, five hundred twenty-three thousand, four hundred forty-five".