145113224 has 16 divisors (see below), whose sum is σ = 288092700. Its totient is φ = 68288512.

The previous prime is 145113209. The next prime is 145113229. The reversal of 145113224 is 422311541.

It can be written as a sum of positive squares in 2 ways, for example, as 121396324 + 23716900 = 11018^2 + 4870^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145113224.

It is not an unprimeable number, because it can be changed into a prime (145113229) 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, 533369 + ... + 533640.

Almost surely, 2^145113224 is an apocalyptic number.

It is an amenable number.

145113224 is a deficient number, since it is larger than the sum of its proper divisors (142979476).

145113224 is a wasteful number, since it uses less digits than its factorization.

145113224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067032 (or 1067028 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 145113224 is about 12046.2950320835. The cubic root of 145113224 is about 525.4954947147.

Adding to 145113224 its reverse (422311541), we get a palindrome (567424765).

The spelling of 145113224 in words is "one hundred forty-five million, one hundred thirteen thousand, two hundred twenty-four".