158165745 has 8 divisors (see below), whose sum is σ = 253065216. Its totient is φ = 84355056.

The previous prime is 158165743. The next prime is 158165789. The reversal of 158165745 is 547561851.

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

It is not a de Polignac number, because 158165745 - 2¹ = 158165743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158165697 and 158165706.

It is not an unprimeable number, because it can be changed into a prime (158165743) 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, 5272177 + ... + 5272206.

It is an arithmetic number, because the mean of its divisors is an integer number (31633152).

Almost surely, 2^158165745 is an apocalyptic number.

158165745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158165745 is a deficient number, since it is larger than the sum of its proper divisors (94899471).

158165745 is a wasteful number, since it uses less digits than its factorization.

158165745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544391.

The product of its digits is 168000, while the sum is 42.

The square root of 158165745 is about 12576.3963439453. The cubic root of 158165745 is about 540.8009889360.

The spelling of 158165745 in words is "one hundred fifty-eight million, one hundred sixty-five thousand, seven hundred forty-five".