144616521123 has 32 divisors (see below), whose sum is σ = 215719564800. Its totient is φ = 95749099488.

The previous prime is 144616521107. The next prime is 144616521149. The reversal of 144616521123 is 321125616441.

144616521123 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 1 + 6 + 521 + 123 = 666.

It is not a de Polignac number, because 144616521123 - 2⁴ = 144616521107 is a prime.

It is a super-2 number, since 2×144616521123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144616521103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6356893 + ... + 6379601.

It is an arithmetic number, because the mean of its divisors is an integer number (6741236400).

Almost surely, 2^144616521123 is an apocalyptic number.

144616521123 is a deficient number, since it is larger than the sum of its proper divisors (71103043677).

144616521123 is a wasteful number, since it uses less digits than its factorization.

144616521123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24328 (or 24322 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 144616521123 in words is "one hundred forty-four billion, six hundred sixteen million, five hundred twenty-one thousand, one hundred twenty-three".