130143445 has 32 divisors (see below), whose sum is σ = 172166400. Its totient is φ = 94058496.

The previous prime is 130143443. The next prime is 130143457. The reversal of 130143445 is 544341031.

It is a cyclic number.

It is not a de Polignac number, because 130143445 - 2¹ = 130143443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130143443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266992 + ... + 267478.

It is an arithmetic number, because the mean of its divisors is an integer number (5380200).

Almost surely, 2^130143445 is an apocalyptic number.

It is an amenable number.

130143445 is a deficient number, since it is larger than the sum of its proper divisors (42022955).

130143445 is a wasteful number, since it uses less digits than its factorization.

130143445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 130143445 is about 11408.0429960620. The cubic root of 130143445 is about 506.7659573318.

Adding to 130143445 its reverse (544341031), we get a palindrome (674484476).

The spelling of 130143445 in words is "one hundred thirty million, one hundred forty-three thousand, four hundred forty-five".