158746990 has 8 divisors (see below), whose sum is σ = 285744600. Its totient is φ = 63498792.

The previous prime is 158746981. The next prime is 158746997. The reversal of 158746990 is 99647851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158746997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7937340 + ... + 7937359.

It is an arithmetic number, because the mean of its divisors is an integer number (35718075).

Almost surely, 2^158746990 is an apocalyptic number.

158746990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158746990 is a deficient number, since it is larger than the sum of its proper divisors (126997610).

158746990 is a wasteful number, since it uses less digits than its factorization.

158746990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15874706.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 158746990 is about 12599.4837195815. The cubic root of 158746990 is about 541.4626442151.

The spelling of 158746990 in words is "one hundred fifty-eight million, seven hundred forty-six thousand, nine hundred ninety".