144212041 has 4 divisors (see below), whose sum is σ = 149184900. Its totient is φ = 139239184.

The previous prime is 144212021. The next prime is 144212053. The reversal of 144212041 is 140212441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140212441 = 67 ⋅2092723.

It can be written as a sum of positive squares in 2 ways, for example, as 68956416 + 75255625 = 8304^2 + 8675^2 .

It is a cyclic number.

It is not a de Polignac number, because 144212041 - 2⁵ = 144212009 is a prime.

It is a super-2 number, since 2×144212041² = 41594225538771362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144212021) 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, 2486386 + ... + 2486443.

It is an arithmetic number, because the mean of its divisors is an integer number (37296225).

Almost surely, 2^144212041 is an apocalyptic number.

It is an amenable number.

144212041 is a deficient number, since it is larger than the sum of its proper divisors (4972859).

144212041 is an equidigital number, since it uses as much as digits as its factorization.

144212041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972858.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 144212041 is about 12008.8317916440. The cubic root of 144212041 is about 524.4054233275.

Adding to 144212041 its reverse (140212441), we get a palindrome (284424482).

The spelling of 144212041 in words is "one hundred forty-four million, two hundred twelve thousand, forty-one".