144434269186 has 16 divisors (see below), whose sum is σ = 218146585536. Its totient is φ = 71719227216.

The previous prime is 144434269183. The next prime is 144434269207. The reversal of 144434269186 is 681962434441.

It is a super-2 number, since 2×144434269186² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144434269183) 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, 478195 + ... + 719401.

It is an arithmetic number, because the mean of its divisors is an integer number (13634161596).

Almost surely, 2^144434269186 is an apocalyptic number.

144434269186 is a deficient number, since it is larger than the sum of its proper divisors (73712316350).

144434269186 is a wasteful number, since it uses less digits than its factorization.

144434269186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243273.

The product of its digits is 3981312, while the sum is 52.

The spelling of 144434269186 in words is "one hundred forty-four billion, four hundred thirty-four million, two hundred sixty-nine thousand, one hundred eighty-six".