144369290 has 16 divisors (see below), whose sum is σ = 279854568. Its totient is φ = 53305536.

The previous prime is 144369259. The next prime is 144369307. The reversal of 144369290 is 92963441.

144369290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109641841 + 34727449 = 10471^2 + 5893^2 .

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 7 ways as a sum of consecutive naturals, for example, 555137 + ... + 555396.

Almost surely, 2^144369290 is an apocalyptic number.

144369290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144369290 is a deficient number, since it is larger than the sum of its proper divisors (135485278).

144369290 is a wasteful number, since it uses less digits than its factorization.

144369290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110553.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 144369290 is about 12015.3772308655. The cubic root of 144369290 is about 524.5959582132.

The spelling of 144369290 in words is "one hundred forty-four million, three hundred sixty-nine thousand, two hundred ninety".