158208890 has 16 divisors (see below), whose sum is σ = 325458432. Its totient is φ = 54243024.

The previous prime is 158208863. The next prime is 158208937. The reversal of 158208890 is 98802851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129994 + ... + 1130133.

It is an arithmetic number, because the mean of its divisors is an integer number (20341152).

Almost surely, 2^158208890 is an apocalyptic number.

158208890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158208890 is an abundant number, since it is smaller than the sum of its proper divisors (167249542).

158208890 is a wasteful number, since it uses less digits than its factorization.

158208890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260141.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 158208890 is about 12578.1115434711. Note that the first 3 decimals coincide. The cubic root of 158208890 is about 540.8501583213.

The spelling of 158208890 in words is "one hundred fifty-eight million, two hundred eight thousand, eight hundred ninety".