158584272 has 160 divisors (see below), whose sum is σ = 516824064. Its totient is φ = 40704000.

The previous prime is 158584253. The next prime is 158584273. The reversal of 158584272 is 272485851.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158584273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395272 + ... + 395672.

Almost surely, 2^158584272 is an apocalyptic number.

158584272 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 158584272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258412032).

158584272 is an abundant number, since it is smaller than the sum of its proper divisors (358239792).

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

158584272 is a wasteful number, since it uses less digits than its factorization.

158584272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 158584272 is about 12593.0247359401. The cubic root of 158584272 is about 541.2775785772.

The spelling of 158584272 in words is "one hundred fifty-eight million, five hundred eighty-four thousand, two hundred seventy-two".