145130224 has 40 divisors (see below), whose sum is σ = 302645808. Its totient is φ = 67169280.

The previous prime is 145130179. The next prime is 145130263. The reversal of 145130224 is 422031541.

It is a junction number, because it is equal to n+sod(n) for n = 145130195 and 145130204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12219 + ... + 20965.

Almost surely, 2^145130224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145130224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151322904).

145130224 is an abundant number, since it is smaller than the sum of its proper divisors (157515584).

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

145130224 is a wasteful number, since it uses less digits than its factorization.

145130224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833 (or 8827 counting only the distinct ones).

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

The square root of 145130224 is about 12047.0006225616. Note that the first 3 decimals coincide. The cubic root of 145130224 is about 525.5160144953.

Adding to 145130224 its reverse (422031541), we get a palindrome (567161765).

The spelling of 145130224 in words is "one hundred forty-five million, one hundred thirty thousand, two hundred twenty-four".