144812477 has 8 divisors (see below), whose sum is σ = 153445752. Its totient is φ = 136192000.

The previous prime is 144812453. The next prime is 144812537. The reversal of 144812477 is 774218441.

144812477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26894596 + 117917881 = 5186^2 + 10859^2 .

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 144812477 - 2¹⁰ = 144811453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144812477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144812417) 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, 30077 + ... + 34557.

It is an arithmetic number, because the mean of its divisors is an integer number (19180719).

Almost surely, 2^144812477 is an apocalyptic number.

144812477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144812477 is a deficient number, since it is larger than the sum of its proper divisors (8633275).

144812477 is a wasteful number, since it uses less digits than its factorization.

144812477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399.

The product of its digits is 50176, while the sum is 38.

The square root of 144812477 is about 12033.8055909176. The cubic root of 144812477 is about 525.1322140176.

The spelling of 144812477 in words is "one hundred forty-four million, eight hundred twelve thousand, four hundred seventy-seven".