144240145 has 8 divisors (see below), whose sum is σ = 197815104. Its totient is φ = 98907504.

The previous prime is 144240137. The next prime is 144240181. The reversal of 144240145 is 541042441.

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

It is a cyclic number.

It is not a de Polignac number, because 144240145 - 2³ = 144240137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060539 + ... + 2060608.

It is an arithmetic number, because the mean of its divisors is an integer number (24726888).

Almost surely, 2^144240145 is an apocalyptic number.

It is an amenable number.

144240145 is a deficient number, since it is larger than the sum of its proper divisors (53574959).

144240145 is an equidigital number, since it uses as much as digits as its factorization.

144240145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121159.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 144240145 is about 12010.0018734387. The cubic root of 144240145 is about 524.4394864396.

Adding to 144240145 its reverse (541042441), we get a palindrome (685282586).

The spelling of 144240145 in words is "one hundred forty-four million, two hundred forty thousand, one hundred forty-five".