158970195 has 20 divisors (see below), whose sum is σ = 284969520. Its totient is φ = 84783888.

The previous prime is 158970191. The next prime is 158970223. The reversal of 158970195 is 591079851.

It is not a de Polignac number, because 158970195 - 2² = 158970191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 158970195.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158970191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 195855 + ... + 196664.

It is an arithmetic number, because the mean of its divisors is an integer number (14248476).

Almost surely, 2^158970195 is an apocalyptic number.

158970195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158970195 is a deficient number, since it is larger than the sum of its proper divisors (125999325).

158970195 is an equidigital number, since it uses as much as digits as its factorization.

158970195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392536 (or 392527 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 158970195 is about 12608.3383124026. The cubic root of 158970195 is about 541.7162985160.

The spelling of 158970195 in words is "one hundred fifty-eight million, nine hundred seventy thousand, one hundred ninety-five".