145127224 has 16 divisors (see below), whose sum is σ = 296851320. Its totient is φ = 65966880.

The previous prime is 145127183. The next prime is 145127233. The reversal of 145127224 is 422721541.

145127224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145127224² = 42123822291892352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145127192 and 145127201.

It is a congruent number.

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, 824499 + ... + 824674.

Almost surely, 2^145127224 is an apocalyptic number.

It is an amenable number.

145127224 is an abundant number, since it is smaller than the sum of its proper divisors (151724096).

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

145127224 is a wasteful number, since it uses less digits than its factorization.

145127224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649190 (or 1649186 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 145127224 is about 12046.8761095979. The cubic root of 145127224 is about 525.5123934740.

Adding to 145127224 its reverse (422721541), we get a palindrome (567848765).

It can be divided in two parts, 14512 and 7224, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 145127224 in words is "one hundred forty-five million, one hundred twenty-seven thousand, two hundred twenty-four".