158566345 has 24 divisors (see below), whose sum is σ = 225261504. Its totient is φ = 104962368.

The previous prime is 158566339. The next prime is 158566379. The reversal of 158566345 is 543665851.

It is not a de Polignac number, because 158566345 - 2⁹ = 158565833 is a prime.

It is a super-3 number, since 3×158566345³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26742 + ... + 32128.

It is an arithmetic number, because the mean of its divisors is an integer number (9385896).

Almost surely, 2^158566345 is an apocalyptic number.

It is an amenable number.

158566345 is a deficient number, since it is larger than the sum of its proper divisors (66695159).

158566345 is an equidigital number, since it uses as much as digits as its factorization.

158566345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457 (or 5428 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 158566345 is about 12592.3129328968. The cubic root of 158566345 is about 541.2571817483.

It can be divided in two parts, 15856 and 6345, that added together give a square (22201 = 149²).

The spelling of 158566345 in words is "one hundred fifty-eight million, five hundred sixty-six thousand, three hundred forty-five".