158399701 has 8 divisors (see below), whose sum is σ = 162846720. Its totient is φ = 153961488.

The previous prime is 158399699. The next prime is 158399741. The reversal of 158399701 is 107993851.

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 158399701 - 2¹ = 158399699 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 (158399741) 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, 53580 + ... + 56458.

It is an arithmetic number, because the mean of its divisors is an integer number (20355840).

Almost surely, 2^158399701 is an apocalyptic number.

It is an amenable number.

158399701 is a deficient number, since it is larger than the sum of its proper divisors (4447019).

158399701 is a wasteful number, since it uses less digits than its factorization.

158399701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 158399701 is about 12585.6942994815. The cubic root of 158399701 is about 541.0675053542.

The spelling of 158399701 in words is "one hundred fifty-eight million, three hundred ninety-nine thousand, seven hundred one".