142045123144313 has 4 divisors (see below), whose sum is σ = 142185345379428. Its totient is φ = 141904900909200.

The previous prime is 142045123144303. The next prime is 142045123144319. The reversal of 142045123144313 is 313441321540241.

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 5170402917904 + 136874720226409 = 2273852^2 + 11699347^2 .

It is a cyclic number.

It is not a de Polignac number, because 142045123144313 - 2⁴ = 142045123144297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142045123144319) 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, 70111116038 + ... + 70111118063.

It is an arithmetic number, because the mean of its divisors is an integer number (35546336344857).

Almost surely, 2^{142045123144313} is an apocalyptic number.

It is an amenable number.

142045123144313 is a deficient number, since it is larger than the sum of its proper divisors (140222235115).

142045123144313 is a wasteful number, since it uses less digits than its factorization.

142045123144313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140222235114.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 142045123144313 its reverse (313441321540241), we get a palindrome (455486444684554).

The spelling of 142045123144313 in words is "one hundred forty-two trillion, forty-five billion, one hundred twenty-three million, one hundred forty-four thousand, three hundred thirteen".