158894345 has 8 divisors (see below), whose sum is σ = 191953800. Its totient is φ = 126261760.

The previous prime is 158894341. The next prime is 158894347. The reversal of 158894345 is 543498851.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24960016 + 133934329 = 4996^2 + 11573^2 .

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

It is not a de Polignac number, because 158894345 - 2² = 158894341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158894345.

It is not an unprimeable number, because it can be changed into a prime (158894341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105896 + ... + 107385.

It is an arithmetic number, because the mean of its divisors is an integer number (23994225).

Almost surely, 2^158894345 is an apocalyptic number.

It is an amenable number.

158894345 is a deficient number, since it is larger than the sum of its proper divisors (33059455).

158894345 is a wasteful number, since it uses less digits than its factorization.

158894345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213435.

The product of its digits is 691200, while the sum is 47.

The square root of 158894345 is about 12605.3300234464. The cubic root of 158894345 is about 541.6301278180.

The spelling of 158894345 in words is "one hundred fifty-eight million, eight hundred ninety-four thousand, three hundred forty-five".