158791485 has 8 divisors (see below), whose sum is σ = 254066400. Its totient is φ = 84688784.

The previous prime is 158791469. The next prime is 158791487. The reversal of 158791485 is 584197851.

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 158791485 - 2⁴ = 158791469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158791487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293035 + ... + 5293064.

It is an arithmetic number, because the mean of its divisors is an integer number (31758300).

Almost surely, 2^158791485 is an apocalyptic number.

158791485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158791485 is a deficient number, since it is larger than the sum of its proper divisors (95274915).

158791485 is a wasteful number, since it uses less digits than its factorization.

158791485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586107.

The product of its digits is 403200, while the sum is 48.

The square root of 158791485 is about 12601.2493428231. The cubic root of 158791485 is about 541.5132281239.

The spelling of 158791485 in words is "one hundred fifty-eight million, seven hundred ninety-one thousand, four hundred eighty-five".