142454123444 has 12 divisors (see below), whose sum is σ = 249389994084. Its totient is φ = 71199839424.

The previous prime is 142454123419. The next prime is 142454123447. The reversal of 142454123444 is 444321454241.

142454123444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127904939044 + 14549184400 = 357638^2 + 120620^2 .

It is a super-2 number, since 2×142454123444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142454123398 and 142454123407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142454123447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6793799 + ... + 6814734.

It is an arithmetic number, because the mean of its divisors is an integer number (20782499507).

Almost surely, 2^142454123444 is an apocalyptic number.

It is an amenable number.

142454123444 is a deficient number, since it is larger than the sum of its proper divisors (106935870640).

142454123444 is a wasteful number, since it uses less digits than its factorization.

142454123444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611154 (or 13611152 counting only the distinct ones).

The product of its digits is 245760, while the sum is 38.

Adding to 142454123444 its reverse (444321454241), we get a palindrome (586775577685).

The spelling of 142454123444 in words is "one hundred forty-two billion, four hundred fifty-four million, one hundred twenty-three thousand, four hundred forty-four".