145126224 has 120 divisors (see below), whose sum is σ = 425722752. Its totient is φ = 46103040.

The previous prime is 145126217. The next prime is 145126273. The reversal of 145126224 is 422621541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277227 + ... + 277749.

Almost surely, 2^145126224 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 145126224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212861376).

145126224 is an abundant number, since it is smaller than the sum of its proper divisors (280596528).

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

145126224 is a wasteful number, since it uses less digits than its factorization.

145126224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 616 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 145126224 is about 12046.8346049906. The cubic root of 145126224 is about 525.5111864558.

Adding to 145126224 its reverse (422621541), we get a palindrome (567747765).

It can be divided in two parts, 14512 and 6224, that added together give a 4-th power (20736 = 12⁴).

The spelling of 145126224 in words is "one hundred forty-five million, one hundred twenty-six thousand, two hundred twenty-four".