144266121 has 12 divisors (see below), whose sum is σ = 209784900. Its totient is φ = 95531040.

The previous prime is 144266113. The next prime is 144266137. The reversal of 144266121 is 121662441.

144266121 is a `hidden beast` number, since 1 + 4 + 42 + 6 + 612 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48441600 + 95824521 = 6960^2 + 9789^2 .

It is not a de Polignac number, because 144266121 - 2³ = 144266113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144266191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52450 + ... + 55131.

It is an arithmetic number, because the mean of its divisors is an integer number (17482075).

Almost surely, 2^144266121 is an apocalyptic number.

It is an amenable number.

144266121 is a deficient number, since it is larger than the sum of its proper divisors (65518779).

144266121 is a wasteful number, since it uses less digits than its factorization.

144266121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107736 (or 107733 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 144266121 is about 12011.0832567258. The cubic root of 144266121 is about 524.4709664006.

The spelling of 144266121 in words is "one hundred forty-four million, two hundred sixty-six thousand, one hundred twenty-one".