158673225 has 24 divisors (see below), whose sum is σ = 268446112. Its totient is φ = 82656000.

The previous prime is 158673217. The next prime is 158673241. The reversal of 158673225 is 522376851.

It is not a de Polignac number, because 158673225 - 2³ = 158673217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21376 + ... + 27825.

Almost surely, 2^158673225 is an apocalyptic number.

158673225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158673225 is a deficient number, since it is larger than the sum of its proper divisors (109772887).

158673225 is a wasteful number, since it uses less digits than its factorization.

158673225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49257 (or 49252 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 158673225 is about 12596.5560769601. The cubic root of 158673225 is about 541.3787640315.

The spelling of 158673225 in words is "one hundred fifty-eight million, six hundred seventy-three thousand, two hundred twenty-five".