144860911 has 4 divisors (see below), whose sum is σ = 156004072. Its totient is φ = 133717752.

The previous prime is 144860879. The next prime is 144860971. The reversal of 144860911 is 119068441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119068441 = 829 ⋅143629.

It is a cyclic number.

It is not a de Polignac number, because 144860911 - 2⁵ = 144860879 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 (144860971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5571561 + ... + 5571586.

It is an arithmetic number, because the mean of its divisors is an integer number (39001018).

Almost surely, 2^144860911 is an apocalyptic number.

144860911 is a deficient number, since it is larger than the sum of its proper divisors (11143161).

144860911 is a wasteful number, since it uses less digits than its factorization.

144860911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143160.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 144860911 is about 12035.8178367737. The cubic root of 144860911 is about 525.1907527548.

The spelling of 144860911 in words is "one hundred forty-four million, eight hundred sixty thousand, nine hundred eleven".