142461420655445 has 4 divisors (see below), whose sum is σ = 170953704786540. Its totient is φ = 113969136524352.

The previous prime is 142461420655429. The next prime is 142461420655451. The reversal of 142461420655445 is 544556024164241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106614174271396 + 35847246384049 = 10325414^2 + 5987257^2 .

It is a cyclic number.

It is not a de Polignac number, because 142461420655445 - 2⁴ = 142461420655429 is a prime.

It is a congruent number.

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, 14246142065540 + ... + 14246142065549.

It is an arithmetic number, because the mean of its divisors is an integer number (42738426196635).

Almost surely, 2^{142461420655445} is an apocalyptic number.

It is an amenable number.

142461420655445 is a deficient number, since it is larger than the sum of its proper divisors (28492284131095).

142461420655445 is an equidigital number, since it uses as much as digits as its factorization.

142461420655445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28492284131094.

The product of its (nonzero) digits is 18432000, while the sum is 53.

The spelling of 142461420655445 in words is "one hundred forty-two trillion, four hundred sixty-one billion, four hundred twenty million, six hundred fifty-five thousand, four hundred forty-five".