144855760 has 80 divisors (see below), whose sum is σ = 392832000. Its totient is φ = 49655424.

The previous prime is 144855757. The next prime is 144855773. The reversal of 144855760 is 67558441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 24801 + ... + 30079.

It is an arithmetic number, because the mean of its divisors is an integer number (4910400).

Almost surely, 2^144855760 is an apocalyptic number.

144855760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144855760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196416000).

144855760 is an abundant number, since it is smaller than the sum of its proper divisors (247976240).

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

144855760 is an equidigital number, since it uses as much as digits as its factorization.

144855760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 144855760 is about 12035.6038485819. The cubic root of 144855760 is about 525.1845277269.

The spelling of 144855760 in words is "one hundred forty-four million, eight hundred fifty-five thousand, seven hundred sixty".