144112321534 has 16 divisors (see below), whose sum is σ = 222170116608. Its totient is φ = 70070380632.

The previous prime is 144112321531. The next prime is 144112321537. The reversal of 144112321534 is 435123211441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144112321531) and next prime (144112321537).

It is a super-2 number, since 2×144112321534² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144112321496 and 144112321505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144112321531) 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, 3671502 + ... + 3710545.

It is an arithmetic number, because the mean of its divisors is an integer number (13885632288).

Almost surely, 2^144112321534 is an apocalyptic number.

144112321534 is a deficient number, since it is larger than the sum of its proper divisors (78057795074).

144112321534 is a wasteful number, since it uses less digits than its factorization.

144112321534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382319.

The product of its digits is 11520, while the sum is 31.

Adding to 144112321534 its reverse (435123211441), we get a palindrome (579235532975).

The spelling of 144112321534 in words is "one hundred forty-four billion, one hundred twelve million, three hundred twenty-one thousand, five hundred thirty-four".