144540211 has 8 divisors (see below), whose sum is σ = 154504224. Its totient is φ = 134882880.

The previous prime is 144540203. The next prime is 144540229. The reversal of 144540211 is 112045441.

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 144540211 - 2³ = 144540203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144540251) 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, 75696 + ... + 77581.

It is an arithmetic number, because the mean of its divisors is an integer number (19313028).

Almost surely, 2^144540211 is an apocalyptic number.

144540211 is a deficient number, since it is larger than the sum of its proper divisors (9964013).

144540211 is a wasteful number, since it uses less digits than its factorization.

144540211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153341.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 144540211 is about 12022.4877209336. The cubic root of 144540211 is about 524.8029022801.

Adding to 144540211 its reverse (112045441), we get a palindrome (256585652).

The spelling of 144540211 in words is "one hundred forty-four million, five hundred forty thousand, two hundred eleven".