158443146 has 12 divisors (see below), whose sum is σ = 343293522. Its totient is φ = 52814376.

The previous prime is 158443133. The next prime is 158443151. The reversal of 158443146 is 641344851.

158443146 is a `hidden beast` number, since 1 + 584 + 4 + 31 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 144937521 + 13505625 = 12039^2 + 3675^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158443146.

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 in 5 ways as a sum of consecutive naturals, for example, 4401181 + ... + 4401216.

Almost surely, 2^158443146 is an apocalyptic number.

158443146 is an abundant number, since it is smaller than the sum of its proper divisors (184850376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158443146 is a wasteful number, since it uses less digits than its factorization.

158443146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802405 (or 8802402 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 158443146 is about 12587.4201487040. The cubic root of 158443146 is about 541.1169678403.

Adding to 158443146 its reverse (641344851), we get a palindrome (799787997).

The spelling of 158443146 in words is "one hundred fifty-eight million, four hundred forty-three thousand, one hundred forty-six".