144474 has 24 divisors (see below), whose sum is σ = 319200. Its totient is φ = 43560.

The previous prime is 144461. The next prime is 144479. The reversal of 144474 is 474441.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (144479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (13300).

2¹⁴⁴⁴⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159600).

144474 is an abundant number, since it is smaller than the sum of its proper divisors (174726).

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

144474 is a wasteful number, since it uses less digits than its factorization.

144474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 215 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 144474 is about 380.0973559498. The cubic root of 144474 is about 52.4722756112.

The spelling of 144474 in words is "one hundred forty-four thousand, four hundred seventy-four", and thus it is an iban number.