144435224 has 8 divisors (see below), whose sum is σ = 270816060. Its totient is φ = 72217608.

The previous prime is 144435173. The next prime is 144435227. The reversal of 144435224 is 422534441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144435227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9027194 + ... + 9027209.

Almost surely, 2^144435224 is an apocalyptic number.

It is an amenable number.

144435224 is a deficient number, since it is larger than the sum of its proper divisors (126380836).

144435224 is a wasteful number, since it uses less digits than its factorization.

144435224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054409 (or 18054405 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 144435224 is about 12018.1206517492. The cubic root of 144435224 is about 524.6758077104.

Adding to 144435224 its reverse (422534441), we get a palindrome (566969665).

The spelling of 144435224 in words is "one hundred forty-four million, four hundred thirty-five thousand, two hundred twenty-four".