158481398 has 8 divisors (see below), whose sum is σ = 241270392. Its totient is φ = 78057936.

The previous prime is 158481383. The next prime is 158481419. The reversal of 158481398 is 893184851.

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, 591215 + ... + 591482.

It is an arithmetic number, because the mean of its divisors is an integer number (30158799).

Almost surely, 2^158481398 is an apocalyptic number.

158481398 is a deficient number, since it is larger than the sum of its proper divisors (82788994).

158481398 is a wasteful number, since it uses less digits than its factorization.

158481398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182766.

The product of its digits is 276480, while the sum is 47.

The square root of 158481398 is about 12588.9395105386. The cubic root of 158481398 is about 541.1605105689.

The spelling of 158481398 in words is "one hundred fifty-eight million, four hundred eighty-one thousand, three hundred ninety-eight".