158670245 has 32 divisors (see below), whose sum is σ = 205163520. Its totient is φ = 117573120.

The previous prime is 158670241. The next prime is 158670247. The reversal of 158670245 is 542076851.

It is not a de Polignac number, because 158670245 - 2² = 158670241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158670199 and 158670208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158670241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418466 + ... + 418844.

It is an arithmetic number, because the mean of its divisors is an integer number (6411360).

Almost surely, 2^158670245 is an apocalyptic number.

It is an amenable number.

158670245 is a deficient number, since it is larger than the sum of its proper divisors (46493275).

158670245 is a wasteful number, since it uses less digits than its factorization.

158670245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 158670245 is about 12596.4377901056. The cubic root of 158670245 is about 541.3753748464.

The spelling of 158670245 in words is "one hundred fifty-eight million, six hundred seventy thousand, two hundred forty-five".