158489162 has 8 divisors (see below), whose sum is σ = 256020996. Its totient is φ = 73148832.

The previous prime is 158489141. The next prime is 158489189. The reversal of 158489162 is 261984851.

It can be written as a sum of positive squares in 2 ways, for example, as 158482921 + 6241 = 12589^2 + 79^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3047843 + ... + 3047894.

Almost surely, 2^158489162 is an apocalyptic number.

158489162 is a deficient number, since it is larger than the sum of its proper divisors (97531834).

158489162 is a wasteful number, since it uses less digits than its factorization.

158489162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095752.

The product of its digits is 138240, while the sum is 44.

The square root of 158489162 is about 12589.2478726888. The cubic root of 158489162 is about 541.1693475716.

The spelling of 158489162 in words is "one hundred fifty-eight million, four hundred eighty-nine thousand, one hundred sixty-two".