158471807 has 16 divisors (see below), whose sum is σ = 181812960. Its totient is φ = 137644416.

The previous prime is 158471759. The next prime is 158471809. The reversal of 158471807 is 708174851.

It is not a de Polignac number, because 158471807 - 2¹⁰ = 158470783 is a prime.

It is a super-2 number, since 2×158471807² = 50226627227690498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158471809) 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, 35228 + ... + 39470.

It is an arithmetic number, because the mean of its divisors is an integer number (11363310).

Almost surely, 2^158471807 is an apocalyptic number.

158471807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

158471807 is a deficient number, since it is larger than the sum of its proper divisors (23341153).

158471807 is an equidigital number, since it uses as much as digits as its factorization.

158471807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4273 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 158471807 is about 12588.5585751507. The cubic root of 158471807 is about 541.1495936722.

The spelling of 158471807 in words is "one hundred fifty-eight million, four hundred seventy-one thousand, eight hundred seven".