142605045161 has 4 divisors (see below), whose sum is σ = 143693633424. Its totient is φ = 141516456900.

The previous prime is 142605045101. The next prime is 142605045169. The reversal of 142605045161 is 161540506241.

142605045161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161540506241 = 328303 ⋅492047.

It is a cyclic number.

It is not a de Polignac number, because 142605045161 - 2⁶ = 142605045097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142605045169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544293935 + ... + 544294196.

It is an arithmetic number, because the mean of its divisors is an integer number (35923408356).

Almost surely, 2^142605045161 is an apocalyptic number.

It is an amenable number.

142605045161 is a deficient number, since it is larger than the sum of its proper divisors (1088588263).

142605045161 is a wasteful number, since it uses less digits than its factorization.

142605045161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088588262.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 142605045161 in words is "one hundred forty-two billion, six hundred five million, forty-five thousand, one hundred sixty-one".