158747904 has 288 divisors, whose sum is σ = 571011840. Its totient is φ = 42467328.

The previous prime is 158747903. The next prime is 158747933. The reversal of 158747904 is 409747851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 158747904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158747903) 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 31 ways as a sum of consecutive naturals, for example, 822432 + ... + 822624.

It is an arithmetic number, because the mean of its divisors is an integer number (1982680).

Almost surely, 2^158747904 is an apocalyptic number.

158747904 is a gapful number since it is divisible by the number (14) 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 158747904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285505920).

158747904 is an abundant number, since it is smaller than the sum of its proper divisors (412263936).

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

158747904 is a wasteful number, since it uses less digits than its factorization.

158747904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 158747904 is about 12599.5199908568. The cubic root of 158747904 is about 541.4636833864.

The spelling of 158747904 in words is "one hundred fifty-eight million, seven hundred forty-seven thousand, nine hundred four".