144799280 has 20 divisors (see below), whose sum is σ = 336658512. Its totient is φ = 57919680.

The previous prime is 144799279. The next prime is 144799289. The reversal of 144799280 is 82997441.

144799280 = T₇₆₀₈ + T₇₆₀₉ + ... + T₇₆₁₂.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144799289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904916 + ... + 905075.

Almost surely, 2^144799280 is an apocalyptic number.

144799280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144799280 is an abundant number, since it is smaller than the sum of its proper divisors (191859232).

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

144799280 is a wasteful number, since it uses less digits than its factorization.

144799280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810004 (or 1809998 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 144799280 is about 12033.2572481436. The cubic root of 144799280 is about 525.1162614779.

The spelling of 144799280 in words is "one hundred forty-four million, seven hundred ninety-nine thousand, two hundred eighty".