142531102256543 has 128 divisors (see below), whose sum is σ = 206444927453184. Its totient is φ = 94688391168000.

The previous prime is 142531102256539. The next prime is 142531102256677. The reversal of 142531102256543 is 345652201135241.

It is a happy number.

142531102256543 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 142531102256543 - 2² = 142531102256539 is a prime.

It is a super-2 number, since 2×142531102256543² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142531102256494 and 142531102256503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142531102256533) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 193848080 + ... + 194581962.

It is an arithmetic number, because the mean of its divisors is an integer number (1612850995728).

Almost surely, 2^{142531102256543} is an apocalyptic number.

142531102256543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142531102256543 is a deficient number, since it is larger than the sum of its proper divisors (63913825196641).

142531102256543 is a wasteful number, since it uses less digits than its factorization.

142531102256543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734145.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 142531102256543 in words is "one hundred forty-two trillion, five hundred thirty-one billion, one hundred two million, two hundred fifty-six thousand, five hundred forty-three".