158617349 has 4 divisors (see below), whose sum is σ = 173037120. Its totient is φ = 144197580.

The previous prime is 158617343. The next prime is 158617357. The reversal of 158617349 is 943716851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158617349 - 2¹² = 158613253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158617343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7209869 + ... + 7209890.

It is an arithmetic number, because the mean of its divisors is an integer number (43259280).

Almost surely, 2^158617349 is an apocalyptic number.

It is an amenable number.

158617349 is a deficient number, since it is larger than the sum of its proper divisors (14419771).

158617349 is a wasteful number, since it uses less digits than its factorization.

158617349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14419770.

The product of its digits is 181440, while the sum is 44.

The square root of 158617349 is about 12594.3379738675. The cubic root of 158617349 is about 541.3152086095.

The spelling of 158617349 in words is "one hundred fifty-eight million, six hundred seventeen thousand, three hundred forty-nine".