145158471 has 12 divisors (see below), whose sum is σ = 212328480. Its totient is φ = 95546880.

The previous prime is 145158469. The next prime is 145158479. The reversal of 145158471 is 174851541.

145158471 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 584 + 71 = 666.

145158471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145158471 - 2¹ = 145158469 is a prime.

It is a super-3 number, since 3×145158471³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145158479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101370 + ... + 102791.

It is an arithmetic number, because the mean of its divisors is an integer number (17694040).

Almost surely, 2^145158471 is an apocalyptic number.

145158471 is a deficient number, since it is larger than the sum of its proper divisors (67170009).

145158471 is a wasteful number, since it uses less digits than its factorization.

145158471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204246 (or 204243 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 145158471 is about 12048.1729320258. The cubic root of 145158471 is about 525.5501063785.

The spelling of 145158471 in words is "one hundred forty-five million, one hundred fifty-eight thousand, four hundred seventy-one".