158303240 has 32 divisors (see below), whose sum is σ = 357799680. Its totient is φ = 63033792.

The previous prime is 158303237. The next prime is 158303261. The reversal of 158303240 is 42303851.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47 + ... + 17793.

It is an arithmetic number, because the mean of its divisors is an integer number (11181240).

Almost surely, 2^158303240 is an apocalyptic number.

158303240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158303240 is an abundant number, since it is smaller than the sum of its proper divisors (199496440).

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

158303240 is a wasteful number, since it uses less digits than its factorization.

158303240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17981 (or 17977 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 158303240 is about 12581.8615474818. The cubic root of 158303240 is about 540.9576513786.

The spelling of 158303240 in words is "one hundred fifty-eight million, three hundred three thousand, two hundred forty".