158148169 has 4 divisors (see below), whose sum is σ = 160375680. Its totient is φ = 155920660.

The previous prime is 158148167. The next prime is 158148197. The reversal of 158148169 is 961841851.

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.

It is a cyclic number.

It is not a de Polignac number, because 158148169 - 2¹ = 158148167 is a prime.

It is a super-2 number, since 2×158148169² = 50021686716105122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158148163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113649 + ... + 1113790.

It is an arithmetic number, because the mean of its divisors is an integer number (40093920).

Almost surely, 2^158148169 is an apocalyptic number.

It is an amenable number.

158148169 is a deficient number, since it is larger than the sum of its proper divisors (2227511).

158148169 is an equidigital number, since it uses as much as digits as its factorization.

158148169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227510.

The product of its digits is 69120, while the sum is 43.

The square root of 158148169 is about 12575.6975552054. The cubic root of 158148169 is about 540.7809562159.

The spelling of 158148169 in words is "one hundred fifty-eight million, one hundred forty-eight thousand, one hundred sixty-nine".