144030280 has 16 divisors (see below), whose sum is σ = 324068220. Its totient is φ = 57612096.

The previous prime is 144030277. The next prime is 144030281. The reversal of 144030280 is 82030441.

It can be written as a sum of positive squares in 2 ways, for example, as 117548964 + 26481316 = 10842^2 + 5146^2 .

It is not an unprimeable number, because it can be changed into a prime (144030281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800339 + ... + 1800418.

Almost surely, 2^144030280 is an apocalyptic number.

144030280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144030280 is an abundant number, since it is smaller than the sum of its proper divisors (180037940).

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

144030280 is a wasteful number, since it uses less digits than its factorization.

144030280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600768 (or 3600764 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 144030280 is about 12001.2616003485. The cubic root of 144030280 is about 524.1850151787.

The spelling of 144030280 in words is "one hundred forty-four million, thirty thousand, two hundred eighty".