158964438 has 8 divisors (see below), whose sum is σ = 317928888. Its totient is φ = 52988144.

The previous prime is 158964427. The next prime is 158964451. The reversal of 158964438 is 834469851.

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

158964438 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13247031 + ... + 13247042.

It is an arithmetic number, because the mean of its divisors is an integer number (39741111).

Almost surely, 2^158964438 is an apocalyptic number.

158964438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158964438 is a wasteful number, since it uses less digits than its factorization.

158964438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26494078.

The product of its digits is 829440, while the sum is 48.

The square root of 158964438 is about 12608.1100090378. The cubic root of 158964438 is about 541.7097591384.

The spelling of 158964438 in words is "one hundred fifty-eight million, nine hundred sixty-four thousand, four hundred thirty-eight".