158549485 has 8 divisors (see below), whose sum is σ = 190356120. Its totient is φ = 126775104.

The previous prime is 158549459. The next prime is 158549491. The reversal of 158549485 is 584945851.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 158482921 = 258^2 + 12589^2 .

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 158549485 - 2⁵ = 158549453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4551 + ... + 18379.

It is an arithmetic number, because the mean of its divisors is an integer number (23794515).

Almost surely, 2^158549485 is an apocalyptic number.

It is an amenable number.

158549485 is a deficient number, since it is larger than the sum of its proper divisors (31806635).

158549485 is a wasteful number, since it uses less digits than its factorization.

158549485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127.

The product of its digits is 1152000, while the sum is 49.

The square root of 158549485 is about 12591.6434590565. The cubic root of 158549485 is about 541.2379975186.

The spelling of 158549485 in words is "one hundred fifty-eight million, five hundred forty-nine thousand, four hundred eighty-five".