130045501 has 4 divisors (see below), whose sum is σ = 130260352. Its totient is φ = 129830652.

The previous prime is 130045477. The next prime is 130045549. The reversal of 130045501 is 105540031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105540031 = 23 ⋅4588697.

It is a cyclic number.

It is not a de Polignac number, because 130045501 - 2¹⁵ = 130012733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130045001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106515 + ... + 107728.

It is an arithmetic number, because the mean of its divisors is an integer number (32565088).

Almost surely, 2^130045501 is an apocalyptic number.

It is an amenable number.

130045501 is a deficient number, since it is larger than the sum of its proper divisors (214851).

130045501 is an equidigital number, since it uses as much as digits as its factorization.

130045501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214850.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 130045501 is about 11403.7494272717. The cubic root of 130045501 is about 506.6387972802.

Adding to 130045501 its reverse (105540031), we get a palindrome (235585532).

The spelling of 130045501 in words is "one hundred thirty million, forty-five thousand, five hundred one".