144240001 has 8 divisors (see below), whose sum is σ = 152499200. Its totient is φ = 136047600.

The previous prime is 144239989. The next prime is 144240007. The reversal of 144240001 is 100042441.

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

It is not a de Polignac number, because 144240001 - 2¹⁷ = 144108929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144240007) 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, 12225 + ... + 20926.

It is an arithmetic number, because the mean of its divisors is an integer number (19062400).

Almost surely, 2^144240001 is an apocalyptic number.

It is an amenable number.

144240001 is a deficient number, since it is larger than the sum of its proper divisors (8259199).

144240001 is a wasteful number, since it uses less digits than its factorization.

144240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33399.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 144240001 is about 12009.9958784339. The cubic root of 144240001 is about 524.4393119174.

Adding to 144240001 its reverse (100042441), we get a palindrome (244282442).

The spelling of 144240001 in words is "one hundred forty-four million, two hundred forty thousand, one".