145525271 has 2 divisors, whose sum is σ = 145525272. Its totient is φ = 145525270.

The previous prime is 145525249. The next prime is 145525283. The reversal of 145525271 is 172525541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145525271 - 2¹⁴ = 145508887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145525231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72762635 + 72762636.

It is an arithmetic number, because the mean of its divisors is an integer number (72762636).

Almost surely, 2^145525271 is an apocalyptic number.

145525271 is a deficient number, since it is larger than the sum of its proper divisors (1).

145525271 is an equidigital number, since it uses as much as digits as its factorization.

145525271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14000, while the sum is 32.

The square root of 145525271 is about 12063.3855529864. The cubic root of 145525271 is about 525.9924037610.

The spelling of 145525271 in words is "one hundred forty-five million, five hundred twenty-five thousand, two hundred seventy-one".