144725280 has 192 divisors, whose sum is σ = 548674560. Its totient is φ = 31325184.

The previous prime is 144725257. The next prime is 144725281. The reversal of 144725280 is 82527441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144725281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62707 + ... + 64973.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^144725280 is an apocalyptic number.

144725280 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 144725280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274337280).

144725280 is an abundant number, since it is smaller than the sum of its proper divisors (403949280).

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

144725280 is a wasteful number, since it uses less digits than its factorization.

144725280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 144725280 is about 12030.1820435104. The cubic root of 144725280 is about 525.0267922835.

The spelling of 144725280 in words is "one hundred forty-four million, seven hundred twenty-five thousand, two hundred eighty".