158481193 has 8 divisors (see below), whose sum is σ = 170811648. Its totient is φ = 146170704.

The previous prime is 158481179. The next prime is 158481199. The reversal of 158481193 is 391184851.

It is a happy number.

158481193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158481193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158481199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14280 + ... + 22822.

It is an arithmetic number, because the mean of its divisors is an integer number (21351456).

Almost surely, 2^158481193 is an apocalyptic number.

158481193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

158481193 is a deficient number, since it is larger than the sum of its proper divisors (12330455).

158481193 is a wasteful number, since it uses less digits than its factorization.

158481193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983.

The product of its digits is 34560, while the sum is 40.

The square root of 158481193 is about 12588.9313684681. The cubic root of 158481193 is about 541.1602772335.

The spelling of 158481193 in words is "one hundred fifty-eight million, four hundred eighty-one thousand, one hundred ninety-three".