144775111 has 16 divisors (see below), whose sum is σ = 165564000. Its totient is φ = 125411328.

The previous prime is 144775093. The next prime is 144775121. The reversal of 144775111 is 111577441.

It is a cyclic number.

It is not a de Polignac number, because 144775111 - 2⁷ = 144774983 is a prime.

It is a super-3 number, since 3×144775111³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144775121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98500 + ... + 99958.

It is an arithmetic number, because the mean of its divisors is an integer number (10347750).

Almost surely, 2^144775111 is an apocalyptic number.

144775111 is a deficient number, since it is larger than the sum of its proper divisors (20788889).

144775111 is a wasteful number, since it uses less digits than its factorization.

144775111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its digits is 3920, while the sum is 31.

The square root of 144775111 is about 12032.2529478066. The cubic root of 144775111 is about 525.0870434664.

The spelling of 144775111 in words is "one hundred forty-four million, seven hundred seventy-five thousand, one hundred eleven".