144202541 has 6 divisors (see below), whose sum is σ = 167745870. Its totient is φ = 123602136.

The previous prime is 144202537. The next prime is 144202547. The reversal of 144202541 is 145202441.

It can be written as a sum of positive squares in only one way, i.e., 139122025 + 5080516 = 11795^2 + 2254^2 .

It is not a de Polignac number, because 144202541 - 2² = 144202537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144202547) 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 5 ways as a sum of consecutive naturals, for example, 1471406 + ... + 1471503.

It is an arithmetic number, because the mean of its divisors is an integer number (27957645).

Almost surely, 2^144202541 is an apocalyptic number.

It is an amenable number.

144202541 is a deficient number, since it is larger than the sum of its proper divisors (23543329).

144202541 is an equidigital number, since it uses as much as digits as its factorization.

144202541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942923 (or 2942916 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 144202541 is about 12008.4362429086. The cubic root of 144202541 is about 524.3939079670.

Adding to 144202541 its reverse (145202441), we get a palindrome (289404982).

It can be divided in two parts, 14420 and 2541, that added together give a palindrome (16961).

The spelling of 144202541 in words is "one hundred forty-four million, two hundred two thousand, five hundred forty-one".