144263244 has 48 divisors (see below), whose sum is σ = 346278240. Its totient is φ = 46725120.

The previous prime is 144263239. The next prime is 144263263. The reversal of 144263244 is 442362441.

It is a nude number because it is divisible by every one of its digits.

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, 68284 + ... + 70364.

It is an arithmetic number, because the mean of its divisors is an integer number (7214130).

Almost surely, 2^144263244 is an apocalyptic number.

It is an amenable number.

144263244 is an abundant number, since it is smaller than the sum of its proper divisors (202014996).

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

144263244 is a wasteful number, since it uses less digits than its factorization.

144263244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2248 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 144263244 is about 12010.9634917437. The cubic root of 144263244 is about 524.4674799895.

The spelling of 144263244 in words is "one hundred forty-four million, two hundred sixty-three thousand, two hundred forty-four".