158908434 has 8 divisors (see below), whose sum is σ = 317816880. Its totient is φ = 52969476.

The previous prime is 158908433. The next prime is 158908441. The reversal of 158908434 is 434809851.

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

158908434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (158908433) 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, 13242364 + ... + 13242375.

It is an arithmetic number, because the mean of its divisors is an integer number (39727110).

Almost surely, 2^158908434 is an apocalyptic number.

158908434 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.

158908434 is a wasteful number, since it uses less digits than its factorization.

158908434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26484744.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 158908434 is about 12605.8888619565. Note that the first 4 decimals coincide. The cubic root of 158908434 is about 541.6461359424.

The spelling of 158908434 in words is "one hundred fifty-eight million, nine hundred eight thousand, four hundred thirty-four".