158706378 has 40 divisors (see below), whose sum is σ = 363906048. Its totient is φ = 51669576.

The previous prime is 158706377. The next prime is 158706419. The reversal of 158706378 is 873607851.

158706378 is a `hidden beast` number, since 1 + 5 + 8 + 7 + 0 + 637 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (158706377) 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, 4426 + ... + 18357.

Almost surely, 2^158706378 is an apocalyptic number.

158706378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

158706378 is an abundant number, since it is smaller than the sum of its proper divisors (205199670).

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

158706378 is a wasteful number, since it uses less digits than its factorization.

158706378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840 (or 22831 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 158706378 is about 12597.8719631531. The cubic root of 158706378 is about 541.4164664233.

The spelling of 158706378 in words is "one hundred fifty-eight million, seven hundred six thousand, three hundred seventy-eight".