144885741 has 32 divisors (see below), whose sum is σ = 259381248. Its totient is φ = 69474240.

The previous prime is 144885737. The next prime is 144885749. The reversal of 144885741 is 147588441.

It is not a de Polignac number, because 144885741 - 2² = 144885737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144885693 and 144885702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144885749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21121 + ... + 27126.

It is an arithmetic number, because the mean of its divisors is an integer number (8105664).

Almost surely, 2^144885741 is an apocalyptic number.

144885741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144885741 is a deficient number, since it is larger than the sum of its proper divisors (114495507).

144885741 is a wasteful number, since it uses less digits than its factorization.

144885741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48281.

The product of its digits is 143360, while the sum is 42.

The square root of 144885741 is about 12036.8492970544. The cubic root of 144885741 is about 525.2207579538.

The spelling of 144885741 in words is "one hundred forty-four million, eight hundred eighty-five thousand, seven hundred forty-one".