158087740 has 48 divisors (see below), whose sum is σ = 347602752. Its totient is φ = 60279296.

The previous prime is 158087731. The next prime is 158087747. The reversal of 158087740 is 47780851.

158087740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158087693 and 158087702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158087747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255912 + ... + 256528.

It is an arithmetic number, because the mean of its divisors is an integer number (7241724).

Almost surely, 2^158087740 is an apocalyptic number.

158087740 is a gapful number since it is divisible by the number (10) 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 158087740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173801376).

158087740 is an abundant number, since it is smaller than the sum of its proper divisors (189515012).

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

158087740 is a wasteful number, since it uses less digits than its factorization.

158087740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 158087740 is about 12573.2947153878. The cubic root of 158087740 is about 540.7120693070.

The spelling of 158087740 in words is "one hundred fifty-eight million, eighty-seven thousand, seven hundred forty".