158343825 has 12 divisors (see below), whose sum is σ = 261795248. Its totient is φ = 84450000.

The previous prime is 158343821. The next prime is 158343833. The reversal of 158343825 is 528343851.

It is not a de Polignac number, because 158343825 - 2² = 158343821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158343821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055551 + ... + 1055700.

Almost surely, 2^158343825 is an apocalyptic number.

158343825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158343825 is a deficient number, since it is larger than the sum of its proper divisors (103451423).

158343825 is a wasteful number, since it uses less digits than its factorization.

158343825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111264 (or 2111259 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 158343825 is about 12583.4742817713. The cubic root of 158343825 is about 541.0038767755.

The spelling of 158343825 in words is "one hundred fifty-eight million, three hundred forty-three thousand, eight hundred twenty-five".