144001205 has 4 divisors (see below), whose sum is σ = 172801452. Its totient is φ = 115200960.

The previous prime is 144001201. The next prime is 144001217. The reversal of 144001205 is 502100441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502100441 = 19 ⋅26426339.

It can be written as a sum of positive squares in 2 ways, for example, as 31259281 + 112741924 = 5591^2 + 10618^2 .

It is not a de Polignac number, because 144001205 - 2² = 144001201 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 (144001201) 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, 14400116 + ... + 14400125.

It is an arithmetic number, because the mean of its divisors is an integer number (43200363).

Almost surely, 2^144001205 is an apocalyptic number.

It is an amenable number.

144001205 is a deficient number, since it is larger than the sum of its proper divisors (28800247).

144001205 is an equidigital number, since it uses as much as digits as its factorization.

144001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28800246.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 144001205 is about 12000.0502082283. The cubic root of 144001205 is about 524.1497408717.

Adding to 144001205 its reverse (502100441), we get a palindrome (646101646).

The spelling of 144001205 in words is "one hundred forty-four million, one thousand, two hundred five".