142061020555306 has 4 divisors (see below), whose sum is σ = 213091530832962. Its totient is φ = 71030510277652.

The previous prime is 142061020555271. The next prime is 142061020555309. The reversal of 142061020555306 is 603555020160241.

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

It can be written as a sum of positive squares in only one way, i.e., 105920303314081 + 36140717241225 = 10291759^2 + 6011715^2 .

It is a super-2 number, since 2×142061020555306² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142061020555309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35515255138825 + ... + 35515255138828.

Almost surely, 2^{142061020555306} is an apocalyptic number.

142061020555306 is a deficient number, since it is larger than the sum of its proper divisors (71030510277656).

142061020555306 is an equidigital number, since it uses as much as digits as its factorization.

142061020555306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71030510277655.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 142061020555306 in words is "one hundred forty-two trillion, sixty-one billion, twenty million, five hundred fifty-five thousand, three hundred six".