158873801 has 4 divisors (see below), whose sum is σ = 167235600. Its totient is φ = 150512004.

The previous prime is 158873797. The next prime is 158873833. The reversal of 158873801 is 108378851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158873801 - 2² = 158873797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158873851) by changing a digit.

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, 4180871 + ... + 4180908.

It is an arithmetic number, because the mean of its divisors is an integer number (41808900).

Almost surely, 2^158873801 is an apocalyptic number.

It is an amenable number.

158873801 is a deficient number, since it is larger than the sum of its proper divisors (8361799).

158873801 is an equidigital number, since it uses as much as digits as its factorization.

158873801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361798.

The product of its (nonzero) digits is 53760, while the sum is 41.

The square root of 158873801 is about 12604.5151037237. The cubic root of 158873801 is about 541.6067837337.

The spelling of 158873801 in words is "one hundred fifty-eight million, eight hundred seventy-three thousand, eight hundred one".