130145224 has 32 divisors (see below), whose sum is σ = 277784640. Its totient is φ = 56584000.

The previous prime is 130145221. The next prime is 130145273. The reversal of 130145224 is 422541031.

It is a super-3 number, since 3×130145224³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 130145195 and 130145204.

It is not an unprimeable number, because it can be changed into a prime (130145221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30127 + ... + 34174.

It is an arithmetic number, because the mean of its divisors is an integer number (8680770).

Almost surely, 2^130145224 is an apocalyptic number.

It is an amenable number.

130145224 is an abundant number, since it is smaller than the sum of its proper divisors (147639416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130145224 is a wasteful number, since it uses less digits than its factorization.

130145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64341 (or 64337 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 130145224 is about 11408.1209671006. The cubic root of 130145224 is about 506.7682664058.

Adding to 130145224 its reverse (422541031), we get a palindrome (552686255).

The spelling of 130145224 in words is "one hundred thirty million, one hundred forty-five thousand, two hundred twenty-four".