158480194 has 4 divisors (see below), whose sum is σ = 237720294. Its totient is φ = 79240096.

The previous prime is 158480167. The next prime is 158480227. The reversal of 158480194 is 491084851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491084851 = 4987 ⋅98473.

It can be written as a sum of positive squares in only one way, i.e., 158382225 + 97969 = 12585^2 + 313^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39620047 + ... + 39620050.

Almost surely, 2^158480194 is an apocalyptic number.

158480194 is a deficient number, since it is larger than the sum of its proper divisors (79240100).

158480194 is an equidigital number, since it uses as much as digits as its factorization.

158480194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79240099.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 158480194 is about 12588.8916906930. The cubic root of 158480194 is about 541.1591401475.

The spelling of 158480194 in words is "one hundred fifty-eight million, four hundred eighty thousand, one hundred ninety-four".