142504530145444 has 12 divisors (see below), whose sum is σ = 249386586965068. Its totient is φ = 71251219584000.

The previous prime is 142504530145403. The next prime is 142504530145447. The reversal of 142504530145444 is 444541035405241.

142504530145444 is digitally balanced in base 2, 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 115649333305444 + 26855196840000 = 10754038^2 + 5182200^2 .

It is a super-2 number, since 2×142504530145444² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142504530145394 and 142504530145403.

It is not an unprimeable number, because it can be changed into a prime (142504530145447) 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, 261065457 + ... + 261610744.

Almost surely, 2^{142504530145444} is an apocalyptic number.

It is an amenable number.

142504530145444 is a deficient number, since it is larger than the sum of its proper divisors (106882056819624).

142504530145444 is a wasteful number, since it uses less digits than its factorization.

142504530145444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522744366 (or 522744364 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 46.

The spelling of 142504530145444 in words is "one hundred forty-two trillion, five hundred four billion, five hundred thirty million, one hundred forty-five thousand, four hundred forty-four".