144556224 has 112 divisors (see below), whose sum is σ = 399897600. Its totient is φ = 46033920.

The previous prime is 144556207. The next prime is 144556241. The reversal of 144556224 is 422655441.

It is an interprime number because it is at equal distance from previous prime (144556207) and next prime (144556241).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886767 + ... + 886929.

Almost surely, 2^144556224 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 144556224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199948800).

144556224 is an abundant number, since it is smaller than the sum of its proper divisors (255341376).

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

144556224 is a wasteful number, since it uses less digits than its factorization.

144556224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 348 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 144556224 is about 12023.1536628291. The cubic root of 144556224 is about 524.8222817974.

The spelling of 144556224 in words is "one hundred forty-four million, five hundred fifty-six thousand, two hundred twenty-four".