158501472 has 144 divisors (see below), whose sum is σ = 459542160. Its totient is φ = 47767552.

The previous prime is 158501471. The next prime is 158501479. The reversal of 158501472 is 274105851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158501471) 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 23 ways as a sum of consecutive naturals, for example, 804478 + ... + 804674.

It is an arithmetic number, because the mean of its divisors is an integer number (3191265).

Almost surely, 2^158501472 is an apocalyptic number.

158501472 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 158501472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229771080).

158501472 is an abundant number, since it is smaller than the sum of its proper divisors (301040688).

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

158501472 is a wasteful number, since it uses less digits than its factorization.

158501472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 158501472 is about 12589.7367724667. The cubic root of 158501472 is about 541.1833582503.

The spelling of 158501472 in words is "one hundred fifty-eight million, five hundred one thousand, four hundred seventy-two".