144155681757124 has 24 divisors (see below), whose sum is σ = 255306736240920. Its totient is φ = 71212168363776.

The previous prime is 144155681757103. The next prime is 144155681757127. The reversal of 144155681757124 is 421757186551441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33631671715524 + 110524010041600 = 5799282^2 + 10513040^2 .

It is a super-2 number, since 2×144155681757124² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144155681757127) 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, 158093427 + ... + 159002650.

It is an arithmetic number, because the mean of its divisors is an integer number (10637780676705).

Almost surely, 2^{144155681757124} is an apocalyptic number.

It is an amenable number.

144155681757124 is a deficient number, since it is larger than the sum of its proper divisors (111151054483796).

144155681757124 is a wasteful number, since it uses less digits than its factorization.

144155681757124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317097447 (or 317097445 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 61.

The spelling of 144155681757124 in words is "one hundred forty-four trillion, one hundred fifty-five billion, six hundred eighty-one million, seven hundred fifty-seven thousand, one hundred twenty-four".