158146471 has 24 divisors (see below), whose sum is σ = 189834624. Its totient is φ = 131281920.

The previous prime is 158146463. The next prime is 158146487. The reversal of 158146471 is 174641851.

It is not a de Polignac number, because 158146471 - 2³ = 158146463 is a prime.

It is a super-3 number, since 3×158146471³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 158146471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158146441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447831 + ... + 448183.

It is an arithmetic number, because the mean of its divisors is an integer number (7909776).

Almost surely, 2^158146471 is an apocalyptic number.

158146471 is a deficient number, since it is larger than the sum of its proper divisors (31688153).

158146471 is a wasteful number, since it uses less digits than its factorization.

158146471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 624 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 158146471 is about 12575.6300438586. The cubic root of 158146471 is about 540.7790207960.

The spelling of 158146471 in words is "one hundred fifty-eight million, one hundred forty-six thousand, four hundred seventy-one".