144521233031 has 24 divisors (see below), whose sum is σ = 170945676720. Its totient is φ = 121806115200.

The previous prime is 144521233013. The next prime is 144521233037. The reversal of 144521233031 is 130332125441.

It is not a de Polignac number, because 144521233031 - 2¹⁴ = 144521216647 is a prime.

It is a super-2 number, since 2×144521233031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144521232985 and 144521233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144521233037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697796 + ... + 880886.

It is an arithmetic number, because the mean of its divisors is an integer number (7122736530).

Almost surely, 2^144521233031 is an apocalyptic number.

144521233031 is a deficient number, since it is larger than the sum of its proper divisors (26424443689).

144521233031 is a wasteful number, since it uses less digits than its factorization.

144521233031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183375 (or 183368 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 144521233031 its reverse (130332125441), we get a palindrome (274853358472).

The spelling of 144521233031 in words is "one hundred forty-four billion, five hundred twenty-one million, two hundred thirty-three thousand, thirty-one".