142504530145555 has 4 divisors (see below), whose sum is σ = 171005436174672. Its totient is φ = 114003624116440.

The previous prime is 142504530145519. The next prime is 142504530145577. The reversal of 142504530145555 is 555541035405241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142504530145555 - 2³³ = 142495940210963 is a prime.

It is a super-2 number, since 2×142504530145555² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142504530145499 and 142504530145508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14250453014551 + ... + 14250453014560.

It is an arithmetic number, because the mean of its divisors is an integer number (42751359043668).

Almost surely, 2^{142504530145555} is an apocalyptic number.

142504530145555 is a deficient number, since it is larger than the sum of its proper divisors (28500906029117).

142504530145555 is an equidigital number, since it uses as much as digits as its factorization.

142504530145555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28500906029116.

The product of its (nonzero) digits is 6000000, while the sum is 49.

The spelling of 142504530145555 in words is "one hundred forty-two trillion, five hundred four billion, five hundred thirty million, one hundred forty-five thousand, five hundred fifty-five".