130403445 has 16 divisors (see below), whose sum is σ = 217717632. Its totient is φ = 66524480.

The previous prime is 130403431. The next prime is 130403461. The reversal of 130403445 is 544304031.

It is not a de Polignac number, because 130403445 - 2⁶ = 130403381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188646 + ... + 189335.

It is an arithmetic number, because the mean of its divisors is an integer number (13607352).

Almost surely, 2^130403445 is an apocalyptic number.

130403445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130403445 is a deficient number, since it is larger than the sum of its proper divisors (87314187).

130403445 is a wasteful number, since it uses less digits than its factorization.

130403445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378012.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 130403445 is about 11419.4327792583. The cubic root of 130403445 is about 507.1032044454.

Adding to 130403445 its reverse (544304031), we get a palindrome (674707476).

The spelling of 130403445 in words is "one hundred thirty million, four hundred three thousand, four hundred forty-five".