144543115431 has 48 divisors (see below), whose sum is σ = 248390338560. Its totient is φ = 79839639360.

The previous prime is 144543115403. The next prime is 144543115439. The reversal of 144543115431 is 134511345441.

144543115431 is a `hidden beast` number, since 1 + 4 + 45 + 431 + 154 + 31 = 666.

144543115431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144543115431 - 2⁷ = 144543115303 is a prime.

It is a super-2 number, since 2×144543115431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144543115439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 609151 + ... + 812496.

It is an arithmetic number, because the mean of its divisors is an integer number (5174798720).

Almost surely, 2^144543115431 is an apocalyptic number.

144543115431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144543115431 is a deficient number, since it is larger than the sum of its proper divisors (103847223129).

144543115431 is a wasteful number, since it uses less digits than its factorization.

144543115431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421756 (or 1421753 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 144543115431 in words is "one hundred forty-four billion, five hundred forty-three million, one hundred fifteen thousand, four hundred thirty-one".