158434356 has 48 divisors (see below), whose sum is σ = 393047424. Its totient is φ = 49499136.

The previous prime is 158434351. The next prime is 158434379. The reversal of 158434356 is 653434851.

It is a super-2 number, since 2×158434356² = 50202890322269472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158434351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52176 + ... + 55128.

It is an arithmetic number, because the mean of its divisors is an integer number (8188488).

Almost surely, 2^158434356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158434356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196523712).

158434356 is an abundant number, since it is smaller than the sum of its proper divisors (234613068).

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

158434356 is a wasteful number, since it uses less digits than its factorization.

158434356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3238 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 158434356 is about 12587.0709857377. The cubic root of 158434356 is about 541.1069610834.

The spelling of 158434356 in words is "one hundred fifty-eight million, four hundred thirty-four thousand, three hundred fifty-six".