158945471 has 2 divisors, whose sum is σ = 158945472. Its totient is φ = 158945470.

The previous prime is 158945467. The next prime is 158945477. The reversal of 158945471 is 174549851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158945471 - 2² = 158945467 is a prime.

It is a super-3 number, since 3×158945471³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158945477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79472735 + 79472736.

It is an arithmetic number, because the mean of its divisors is an integer number (79472736).

Almost surely, 2^158945471 is an apocalyptic number.

158945471 is a deficient number, since it is larger than the sum of its proper divisors (1).

158945471 is an equidigital number, since it uses as much as digits as its factorization.

158945471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 44.

The square root of 158945471 is about 12607.3578120080. The cubic root of 158945471 is about 541.6882134019.

The spelling of 158945471 in words is "one hundred fifty-eight million, nine hundred forty-five thousand, four hundred seventy-one".