144743201 has 4 divisors (see below), whose sum is σ = 146176404. Its totient is φ = 143310000.

The previous prime is 144743191. The next prime is 144743231. The reversal of 144743201 is 102347441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111091600 + 33651601 = 10540^2 + 5801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144743201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144743231) 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, 716450 + ... + 716651.

It is an arithmetic number, because the mean of its divisors is an integer number (36544101).

Almost surely, 2^144743201 is an apocalyptic number.

It is an amenable number.

144743201 is a deficient number, since it is larger than the sum of its proper divisors (1433203).

144743201 is a wasteful number, since it uses less digits than its factorization.

144743201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433202.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 144743201 is about 12030.9268554006. The cubic root of 144743201 is about 525.0484623442.

The spelling of 144743201 in words is "one hundred forty-four million, seven hundred forty-three thousand, two hundred one".