158770 has 8 divisors (see below), whose sum is σ = 285804. Its totient is φ = 63504.

The previous prime is 158761. The next prime is 158771. The reversal of 158770 is 77851.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143641 + 15129 = 379^2 + 123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (158771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7929 + ... + 7948.

2¹⁵⁸⁷⁷⁰ is an apocalyptic number.

158770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158770 is a deficient number, since it is larger than the sum of its proper divisors (127034).

158770 is a wasteful number, since it uses less digits than its factorization.

158770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15884.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 158770 is about 398.4595337045. The cubic root of 158770 is about 54.1488804194.

The spelling of 158770 in words is "one hundred fifty-eight thousand, seven hundred seventy".