144168290 has 48 divisors (see below), whose sum is σ = 311641344. Its totient is φ = 47829600.

The previous prime is 144168281. The next prime is 144168319. The reversal of 144168290 is 92861441.

It is a happy number.

144168290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 144168290.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10445 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (6492528).

Almost surely, 2^144168290 is an apocalyptic number.

144168290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144168290 is an abundant number, since it is smaller than the sum of its proper divisors (167473054).

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

144168290 is a wasteful number, since it uses less digits than its factorization.

144168290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 144168290 is about 12007.0100358082. The cubic root of 144168290 is about 524.3523866507.

The spelling of 144168290 in words is "one hundred forty-four million, one hundred sixty-eight thousand, two hundred ninety".