130445457 has 8 divisors (see below), whose sum is σ = 173984160. Its totient is φ = 86935200.

The previous prime is 130445429. The next prime is 130445459. The reversal of 130445457 is 754544031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130445457 - 2⁸ = 130445201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130445459) 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 7 ways as a sum of consecutive naturals, for example, 8469 + ... + 18237.

It is an arithmetic number, because the mean of its divisors is an integer number (21748020).

Almost surely, 2^130445457 is an apocalyptic number.

It is an amenable number.

130445457 is a deficient number, since it is larger than the sum of its proper divisors (43538703).

130445457 is an equidigital number, since it uses as much as digits as its factorization.

130445457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 130445457 is about 11421.2721270443. The cubic root of 130445457 is about 507.1576563105.

Adding to 130445457 its reverse (754544031), we get a palindrome (884989488).

The spelling of 130445457 in words is "one hundred thirty million, four hundred forty-five thousand, four hundred fifty-seven".