144351121 has 4 divisors (see below), whose sum is σ = 145487872. Its totient is φ = 143214372.

The previous prime is 144351019. The next prime is 144351133. The reversal of 144351121 is 121153441.

144351121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144351121 - 2¹⁹ = 143826833 is a prime.

It is a super-2 number, since 2×144351121² = 41674492267913282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144351092 and 144351101.

It is not an unprimeable number, because it can be changed into a prime (144351161) 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, 568185 + ... + 568438.

It is an arithmetic number, because the mean of its divisors is an integer number (36371968).

Almost surely, 2^144351121 is an apocalyptic number.

It is an amenable number.

144351121 is a deficient number, since it is larger than the sum of its proper divisors (1136751).

144351121 is a wasteful number, since it uses less digits than its factorization.

144351121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136750.

The product of its digits is 480, while the sum is 22.

The square root of 144351121 is about 12014.6211342680. The cubic root of 144351121 is about 524.5739503383.

It can be divided in two parts, 144351 and 121, that multiplied together give a palindrome (17466471).

The spelling of 144351121 in words is "one hundred forty-four million, three hundred fifty-one thousand, one hundred twenty-one".