158858240 has 176 divisors, whose sum is σ = 424465920. Its totient is φ = 56770560.

The previous prime is 158858237. The next prime is 158858243. The reversal of 158858240 is 42858851.

It is a happy number.

158858240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158858237) and next prime (158858243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158858243) 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, 2237405 + ... + 2237475.

Almost surely, 2^158858240 is an apocalyptic number.

158858240 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 158858240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212232960).

158858240 is an abundant number, since it is smaller than the sum of its proper divisors (265607680).

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

158858240 is a wasteful number, since it uses less digits than its factorization.

158858240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 158858240 is about 12603.8978098047. The cubic root of 158858240 is about 541.5891004776.

The spelling of 158858240 in words is "one hundred fifty-eight million, eight hundred fifty-eight thousand, two hundred forty".