158249268 has 48 divisors (see below), whose sum is σ = 413938560. Its totient is φ = 52278912.

The previous prime is 158249261. The next prime is 158249281. The reversal of 158249268 is 862942851.

158249268 is a `hidden beast` number, since 1 + 582 + 4 + 9 + 2 + 68 = 666.

158249268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158249261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5721 + ... + 18687.

It is an arithmetic number, because the mean of its divisors is an integer number (8623720).

Almost surely, 2^158249268 is an apocalyptic number.

158249268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158249268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206969280).

158249268 is an abundant number, since it is smaller than the sum of its proper divisors (255689292).

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

158249268 is a wasteful number, since it uses less digits than its factorization.

158249268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13093 (or 13085 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 158249268 is about 12579.7165309875. The cubic root of 158249268 is about 540.8961662502.

The spelling of 158249268 in words is "one hundred fifty-eight million, two hundred forty-nine thousand, two hundred sixty-eight".