158484534 has 32 divisors (see below), whose sum is σ = 344391264. Its totient is φ = 48330240.

The previous prime is 158484509. The next prime is 158484569. The reversal of 158484534 is 435484851.

It is a happy number.

158484534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×158484534³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

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, 177 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (10762227).

Almost surely, 2^158484534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158484534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172195632).

158484534 is an abundant number, since it is smaller than the sum of its proper divisors (185906730).

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

158484534 is a wasteful number, since it uses less digits than its factorization.

158484534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18112.

The product of its digits is 307200, while the sum is 42.

The square root of 158484534 is about 12589.0640637023. The cubic root of 158484534 is about 541.1640800061.

The spelling of 158484534 in words is "one hundred fifty-eight million, four hundred eighty-four thousand, five hundred thirty-four".