158243764 has 48 divisors (see below), whose sum is σ = 325987200. Its totient is φ = 65802240.

The previous prime is 158243753. The next prime is 158243773. The reversal of 158243764 is 467342851.

158243764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352212 + ... + 352660.

It is an arithmetic number, because the mean of its divisors is an integer number (6791400).

Almost surely, 2^158243764 is an apocalyptic number.

158243764 is a gapful number since it is divisible by the number (14) 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 158243764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162993600).

158243764 is an abundant number, since it is smaller than the sum of its proper divisors (167743436).

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

158243764 is a wasteful number, since it uses less digits than its factorization.

158243764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 158243764 is about 12579.4977642194. The cubic root of 158243764 is about 540.8898952849.

The spelling of 158243764 in words is "one hundred fifty-eight million, two hundred forty-three thousand, seven hundred sixty-four".