158255240 has 128 divisors (see below), whose sum is σ = 425174400. Its totient is φ = 52254720.

The previous prime is 158255239. The next prime is 158255269. The reversal of 158255240 is 42552851.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 158255197 and 158255206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417371 + ... + 417749.

It is an arithmetic number, because the mean of its divisors is an integer number (3321675).

Almost surely, 2^158255240 is an apocalyptic number.

158255240 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 158255240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212587200).

158255240 is an abundant number, since it is smaller than the sum of its proper divisors (266919160).

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

158255240 is a wasteful number, since it uses less digits than its factorization.

158255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 158255240 is about 12579.9538949871. The cubic root of 158255240 is about 540.9029702654.

The spelling of 158255240 in words is "one hundred fifty-eight million, two hundred fifty-five thousand, two hundred forty".