145715271 has 16 divisors (see below), whose sum is σ = 214337760. Its totient is φ = 87482880.

The previous prime is 145715239. The next prime is 145715291. The reversal of 145715271 is 172517541.

145715271 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 145715271 - 2⁵ = 145715239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145715201) 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, 43966 + ... + 47163.

It is an arithmetic number, because the mean of its divisors is an integer number (13396110).

Almost surely, 2^145715271 is an apocalyptic number.

145715271 is a deficient number, since it is larger than the sum of its proper divisors (68622489).

145715271 is a wasteful number, since it uses less digits than its factorization.

145715271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91186.

The product of its digits is 9800, while the sum is 33.

The square root of 145715271 is about 12071.2580537407. The cubic root of 145715271 is about 526.2212187606.

The spelling of 145715271 in words is "one hundred forty-five million, seven hundred fifteen thousand, two hundred seventy-one".