144354621 has 8 divisors (see below), whose sum is σ = 193154080. Its totient is φ = 95895792.

The previous prime is 144354619. The next prime is 144354629. The reversal of 144354621 is 126453441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144354621 - 2¹ = 144354619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144354629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84166 + ... + 85863.

It is an arithmetic number, because the mean of its divisors is an integer number (24144260).

Almost surely, 2^144354621 is an apocalyptic number.

It is an amenable number.

144354621 is a deficient number, since it is larger than the sum of its proper divisors (48799459).

144354621 is a wasteful number, since it uses less digits than its factorization.

144354621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170315.

The product of its digits is 11520, while the sum is 30.

The square root of 144354621 is about 12014.7667892473. The cubic root of 144354621 is about 524.5781899867.

The spelling of 144354621 in words is "one hundred forty-four million, three hundred fifty-four thousand, six hundred twenty-one".