158040165 has 8 divisors (see below), whose sum is σ = 252864288. Its totient is φ = 84288080.

The previous prime is 158040151. The next prime is 158040167. The reversal of 158040165 is 561040851.

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

It is not a de Polignac number, because 158040165 - 2⁵ = 158040133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158040167) 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, 5267991 + ... + 5268020.

It is an arithmetic number, because the mean of its divisors is an integer number (31608036).

Almost surely, 2^158040165 is an apocalyptic number.

158040165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158040165 is a deficient number, since it is larger than the sum of its proper divisors (94824123).

158040165 is a wasteful number, since it uses less digits than its factorization.

158040165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536019.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 158040165 is about 12571.4026663694. The cubic root of 158040165 is about 540.6578231489.

The spelling of 158040165 in words is "one hundred fifty-eight million, forty thousand, one hundred sixty-five".