158849479 has 8 divisors (see below), whose sum is σ = 168352560. Its totient is φ = 149364096.

The previous prime is 158849447. The next prime is 158849489. The reversal of 158849479 is 974948851.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 158849479 - 2⁵ = 158849447 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 (158849419) 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, 17092 + ... + 24694.

It is an arithmetic number, because the mean of its divisors is an integer number (21044070).

Almost surely, 2^158849479 is an apocalyptic number.

158849479 is a deficient number, since it is larger than the sum of its proper divisors (9503081).

158849479 is a wasteful number, since it uses less digits than its factorization.

158849479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849.

The product of its digits is 2903040, while the sum is 55.

The square root of 158849479 is about 12603.5502537975. The cubic root of 158849479 is about 541.5791441179.

The spelling of 158849479 in words is "one hundred fifty-eight million, eight hundred forty-nine thousand, four hundred seventy-nine".