145361471 has 2 divisors, whose sum is σ = 145361472. Its totient is φ = 145361470.

The previous prime is 145361453. The next prime is 145361479. The reversal of 145361471 is 174163541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145361471 is a prime.

It is a super-3 number, since 3×145361471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145361479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72680735 + 72680736.

It is an arithmetic number, because the mean of its divisors is an integer number (72680736).

Almost surely, 2^145361471 is an apocalyptic number.

145361471 is a deficient number, since it is larger than the sum of its proper divisors (1).

145361471 is an equidigital number, since it uses as much as digits as its factorization.

145361471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 145361471 is about 12056.5945025948. The cubic root of 145361471 is about 525.7949812308.

The spelling of 145361471 in words is "one hundred forty-five million, three hundred sixty-one thousand, four hundred seventy-one".