158166345 has 16 divisors (see below), whose sum is σ = 256632192. Its totient is φ = 83166720.

The previous prime is 158166343. The next prime is 158166367. The reversal of 158166345 is 543661851.

It is not a de Polignac number, because 158166345 - 2¹ = 158166343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158166343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73192 + ... + 75321.

It is an arithmetic number, because the mean of its divisors is an integer number (16039512).

Almost surely, 2^158166345 is an apocalyptic number.

158166345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158166345 is a deficient number, since it is larger than the sum of its proper divisors (98465847).

158166345 is a wasteful number, since it uses less digits than its factorization.

158166345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148592.

The product of its digits is 86400, while the sum is 39.

The square root of 158166345 is about 12576.4201981327. The cubic root of 158166345 is about 540.8016727760.

The spelling of 158166345 in words is "one hundred fifty-eight million, one hundred sixty-six thousand, three hundred forty-five".