158269394 has 24 divisors (see below), whose sum is σ = 249646320. Its totient is φ = 75246248.

The previous prime is 158269381. The next prime is 158269399. The reversal of 158269394 is 493962851.

It is not an unprimeable number, because it can be changed into a prime (158269399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239837 + ... + 240495.

It is an arithmetic number, because the mean of its divisors is an integer number (10401930).

Almost surely, 2^158269394 is an apocalyptic number.

158269394 is a deficient number, since it is larger than the sum of its proper divisors (91376926).

158269394 is a wasteful number, since it uses less digits than its factorization.

158269394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 911 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 158269394 is about 12580.5164440892. The cubic root of 158269394 is about 540.9190955080.

The spelling of 158269394 in words is "one hundred fifty-eight million, two hundred sixty-nine thousand, three hundred ninety-four".