158386000 has 40 divisors (see below), whose sum is σ = 382982184. Its totient is φ = 63353600.

The previous prime is 158385989. The next prime is 158386003. The reversal of 158386000 is 683851.

It can be written as a sum of positive squares in 4 ways, for example, as 14961424 + 143424576 = 3868^2 + 11976^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×158386000² = 50172249992000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158386003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37597 + ... + 41596.

Almost surely, 2^158386000 is an apocalyptic number.

158386000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158386000 is an abundant number, since it is smaller than the sum of its proper divisors (224596184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158386000 is an equidigital number, since it uses as much as digits as its factorization.

158386000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79216 (or 79200 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 158386000 is about 12585.1499792414. The cubic root of 158386000 is about 541.0519047784.

The spelling of 158386000 in words is "one hundred fifty-eight million, three hundred eighty-six thousand".