158071040 has 36 divisors (see below), whose sum is σ = 378632604. Its totient is φ = 63227904.

The previous prime is 158071033. The next prime is 158071091. The reversal of 158071040 is 40170851.

It can be written as a sum of positive squares in 2 ways, for example, as 46895104 + 111175936 = 6848^2 + 10544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60467 + ... + 63026.

Almost surely, 2^158071040 is an apocalyptic number.

158071040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158071040 is an abundant number, since it is smaller than the sum of its proper divisors (220561564).

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

158071040 is an equidigital number, since it uses as much as digits as its factorization.

158071040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123514 (or 123500 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 158071040 is about 12572.6305918849. The cubic root of 158071040 is about 540.6930288055.

The spelling of 158071040 in words is "one hundred fifty-eight million, seventy-one thousand, forty".