144284490 has 80 divisors (see below), whose sum is σ = 443405952. Its totient is φ = 32978016.

The previous prime is 144284477. The next prime is 144284513. The reversal of 144284490 is 94482441.

144284490 is a `hidden beast` number, since 144 + 28 + 4 + 490 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7054 + ... + 18393.

Almost surely, 2^144284490 is an apocalyptic number.

144284490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144284490 is an abundant number, since it is smaller than the sum of its proper divisors (299121462).

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

144284490 is a wasteful number, since it uses less digits than its factorization.

144284490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25473 (or 25464 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 144284490 is about 12011.8479011349. The cubic root of 144284490 is about 524.4932252610.

The spelling of 144284490 in words is "one hundred forty-four million, two hundred eighty-four thousand, four hundred ninety".