144434663223634 has 16 divisors (see below), whose sum is σ = 247609969380288. Its totient is φ = 61898647560912.

The previous prime is 144434663223563. The next prime is 144434663223637. The reversal of 144434663223634 is 436322366434441.

It is a super-2 number, since 2×144434663223634² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144434663223637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159732397 + ... + 160634080.

It is an arithmetic number, because the mean of its divisors is an integer number (15475623086268).

Almost surely, 2^{144434663223634} is an apocalyptic number.

144434663223634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144434663223634 is a deficient number, since it is larger than the sum of its proper divisors (103175306156654).

144434663223634 is a wasteful number, since it uses less digits than its factorization.

144434663223634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320398689.

The product of its digits is 71663616, while the sum is 55.

The spelling of 144434663223634 in words is "one hundred forty-four trillion, four hundred thirty-four billion, six hundred sixty-three million, two hundred twenty-three thousand, six hundred thirty-four".