144885941 has 4 divisors (see below), whose sum is σ = 147619692. Its totient is φ = 142152192.

The previous prime is 144885907. The next prime is 144885991. The reversal of 144885941 is 149588441.

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 79744900 + 65141041 = 8930^2 + 8071^2 .

It is a cyclic number.

It is not a de Polignac number, because 144885941 - 2¹⁸ = 144623797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144885892 and 144885901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144885991) 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, 1366796 + ... + 1366901.

It is an arithmetic number, because the mean of its divisors is an integer number (36904923).

Almost surely, 2^144885941 is an apocalyptic number.

It is an amenable number.

144885941 is a deficient number, since it is larger than the sum of its proper divisors (2733751).

144885941 is an equidigital number, since it uses as much as digits as its factorization.

144885941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733750.

The product of its digits is 184320, while the sum is 44.

The square root of 144885941 is about 12036.8576048735. The cubic root of 144885941 is about 525.2209996250.

The spelling of 144885941 in words is "one hundred forty-four million, eight hundred eighty-five thousand, nine hundred forty-one".