158427775 has 12 divisors (see below), whose sum is σ = 214309944. Its totient is φ = 115220000.

The previous prime is 158427769. The next prime is 158427779. The reversal of 158427775 is 577724851.

It is a de Polignac number, because none of the positive numbers 2^k-158427775 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 (158427779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287776 + ... + 288325.

It is an arithmetic number, because the mean of its divisors is an integer number (17859162).

Almost surely, 2^158427775 is an apocalyptic number.

158427775 is a deficient number, since it is larger than the sum of its proper divisors (55882169).

158427775 is a wasteful number, since it uses less digits than its factorization.

158427775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576122 (or 576117 counting only the distinct ones).

The product of its digits is 548800, while the sum is 46.

The square root of 158427775 is about 12586.8095639840. The cubic root of 158427775 is about 541.0994688654.

The spelling of 158427775 in words is "one hundred fifty-eight million, four hundred twenty-seven thousand, seven hundred seventy-five".