145465471 has 2 divisors, whose sum is σ = 145465472. Its totient is φ = 145465470.

The previous prime is 145465433. The next prime is 145465477. The reversal of 145465471 is 174564541.

It is a strong prime.

It is an emirp because it is prime and its reverse (174564541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145465471 - 2²⁵ = 111911039 is a prime.

It is a super-3 number, since 3×145465471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145465471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145465477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72732735 + 72732736.

It is an arithmetic number, because the mean of its divisors is an integer number (72732736).

Almost surely, 2^145465471 is an apocalyptic number.

145465471 is a deficient number, since it is larger than the sum of its proper divisors (1).

145465471 is an equidigital number, since it uses as much as digits as its factorization.

145465471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 145465471 is about 12060.9067237915. The cubic root of 145465471 is about 525.9203460467.

The spelling of 145465471 in words is "one hundred forty-five million, four hundred sixty-five thousand, four hundred seventy-one".