158017901 has 8 divisors (see below), whose sum is σ = 161861760. Its totient is φ = 154194208.

The previous prime is 158017891. The next prime is 158017903. The reversal of 158017901 is 109710851.

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

It is a cyclic number.

It is not a de Polignac number, because 158017901 - 2¹⁴ = 158001517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158017903) 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, 11465 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (20232720).

Almost surely, 2^158017901 is an apocalyptic number.

It is an amenable number.

158017901 is a deficient number, since it is larger than the sum of its proper divisors (3843859).

158017901 is an equidigital number, since it uses as much as digits as its factorization.

158017901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 158017901 is about 12570.5171333561. The cubic root of 158017901 is about 540.6324334617.

It can be divided in two parts, 15801 and 7901, that multiplied together give a triangular number (124843701 = T₁₅₈₀₁).

The spelling of 158017901 in words is "one hundred fifty-eight million, seventeen thousand, nine hundred one".