158158160645 has 4 divisors (see below), whose sum is σ = 189789792780. Its totient is φ = 126526528512.

The previous prime is 158158160639. The next prime is 158158160707. The reversal of 158158160645 is 546061851851.

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 53727067681 + 104431092964 = 231791^2 + 323158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158158160645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158158160593 and 158158160602.

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, 15815816060 + ... + 15815816069.

It is an arithmetic number, because the mean of its divisors is an integer number (47447448195).

Almost surely, 2^158158160645 is an apocalyptic number.

It is an amenable number.

158158160645 is a deficient number, since it is larger than the sum of its proper divisors (31631632135).

158158160645 is an equidigital number, since it uses as much as digits as its factorization.

158158160645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31631632134.

The product of its (nonzero) digits is 1152000, while the sum is 50.

The spelling of 158158160645 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, one hundred sixty thousand, six hundred forty-five".