144517380 has 96 divisors (see below), whose sum is σ = 464830464. Its totient is φ = 32863104.

The previous prime is 144517369. The next prime is 144517393. The reversal of 144517380 is 83715441.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92889 + ... + 94431.

It is an arithmetic number, because the mean of its divisors is an integer number (4841984).

Almost surely, 2^144517380 is an apocalyptic number.

144517380 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 144517380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232415232).

144517380 is an abundant number, since it is smaller than the sum of its proper divisors (320313084).

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

144517380 is a wasteful number, since it uses less digits than its factorization.

144517380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 144517380 is about 12021.5381711327. The cubic root of 144517380 is about 524.7752688949.

The spelling of 144517380 in words is "one hundred forty-four million, five hundred seventeen thousand, three hundred eighty".