158545332 has 108 divisors (see below), whose sum is σ = 466643268. Its totient is φ = 45196800.

The previous prime is 158545327. The next prime is 158545363. The reversal of 158545332 is 233545851.

158545332 is a `hidden beast` number, since 1 + 585 + 45 + 3 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139570596 + 18974736 = 11814^2 + 4356^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72982 + ... + 75122.

It is an arithmetic number, because the mean of its divisors is an integer number (4320771).

Almost surely, 2^158545332 is an apocalyptic number.

158545332 is a gapful number since it is divisible by the number (12) 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 158545332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233321634).

158545332 is an abundant number, since it is smaller than the sum of its proper divisors (308097936).

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

158545332 is a wasteful number, since it uses less digits than its factorization.

158545332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2174 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 158545332 is about 12591.4785470174. The cubic root of 158545332 is about 541.2332717994.

It can be divided in two parts, 158 and 545332, that added together give a triangular number (545490 = T₁₀₄₄).

The spelling of 158545332 in words is "one hundred fifty-eight million, five hundred forty-five thousand, three hundred thirty-two".