158287760 has 20 divisors (see below), whose sum is σ = 368019228. Its totient is φ = 63315072.

The previous prime is 158287751. The next prime is 158287763. The reversal of 158287760 is 67782851.

158287760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20647936 + 137639824 = 4544^2 + 11732^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (158287763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989219 + ... + 989378.

Almost surely, 2^158287760 is an apocalyptic number.

158287760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158287760 is an abundant number, since it is smaller than the sum of its proper divisors (209731468).

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

158287760 is a wasteful number, since it uses less digits than its factorization.

158287760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978610 (or 1978604 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 158287760 is about 12581.2463611520. The cubic root of 158287760 is about 540.9400179273.

The spelling of 158287760 in words is "one hundred fifty-eight million, two hundred eighty-seven thousand, seven hundred sixty".