158266478 has 8 divisors (see below), whose sum is σ = 243190080. Its totient is φ = 77203120.

The previous prime is 158266463. The next prime is 158266483. The reversal of 158266478 is 874662851.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964958 + ... + 965121.

It is an arithmetic number, because the mean of its divisors is an integer number (30398760).

Almost surely, 2^158266478 is an apocalyptic number.

158266478 is a deficient number, since it is larger than the sum of its proper divisors (84923602).

158266478 is a wasteful number, since it uses less digits than its factorization.

158266478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930122.

The product of its digits is 645120, while the sum is 47.

The square root of 158266478 is about 12580.4005500620. The cubic root of 158266478 is about 540.9157734722.

The spelling of 158266478 in words is "one hundred fifty-eight million, two hundred sixty-six thousand, four hundred seventy-eight".