145241224 has 16 divisors (see below), whose sum is σ = 273366720. Its totient is φ = 72343440.

The previous prime is 145241207. The next prime is 145241267. The reversal of 145241224 is 422142541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32412 + ... + 36619.

It is an arithmetic number, because the mean of its divisors is an integer number (17085420).

Almost surely, 2^145241224 is an apocalyptic number.

It is an amenable number.

145241224 is a deficient number, since it is larger than the sum of its proper divisors (128125496).

145241224 is a wasteful number, since it uses less digits than its factorization.

145241224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69300 (or 69296 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 145241224 is about 12051.6066978640. The cubic root of 145241224 is about 525.6499572191.

Adding to 145241224 its reverse (422142541), we get a palindrome (567383765).

The spelling of 145241224 in words is "one hundred forty-five million, two hundred forty-one thousand, two hundred twenty-four".