158445846 has 24 divisors (see below), whose sum is σ = 369707520. Its totient is φ = 48752496.

The previous prime is 158445829. The next prime is 158445869. The reversal of 158445846 is 648544851.

It is a happy number.

158445846 is a `hidden beast` number, since 158 + 4 + 458 + 46 = 666.

It is a super-3 number, since 3×158445846³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent 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 in 11 ways as a sum of consecutive naturals, for example, 338326 + ... + 338793.

It is an arithmetic number, because the mean of its divisors is an integer number (15404480).

Almost surely, 2^158445846 is an apocalyptic number.

158445846 is an abundant number, since it is smaller than the sum of its proper divisors (211261674).

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

158445846 is a wasteful number, since it uses less digits than its factorization.

158445846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677140 (or 677137 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 158445846 is about 12587.5273981827. The cubic root of 158445846 is about 541.1200415138.

The spelling of 158445846 in words is "one hundred fifty-eight million, four hundred forty-five thousand, eight hundred forty-six".