140448 has 96 divisors (see below), whose sum is σ = 483840. Its totient is φ = 34560.

The previous prime is 140443. The next prime is 140449. The reversal of 140448 is 844041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140448.

It is not an unprimeable number, because it can be changed into a prime (140443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7383 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

2¹⁴⁰⁴⁴⁸ 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 140448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920).

140448 is an abundant number, since it is smaller than the sum of its proper divisors (343392).

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

140448 is a wasteful number, since it uses less digits than its factorization.

140448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 140448 is about 374.7639256919. The cubic root of 140448 is about 51.9802686480.

Adding to 140448 its reverse (844041), we get a palindrome (984489).

The spelling of 140448 in words is "one hundred forty thousand, four hundred forty-eight".