145483669 has 2 divisors, whose sum is σ = 145483670. Its totient is φ = 145483668.

The previous prime is 145483631. The next prime is 145483693. The reversal of 145483669 is 966384541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128368900 + 17114769 = 11330^2 + 4137^2 .

It is a cyclic number.

It is not a de Polignac number, because 145483669 - 2⁹ = 145483157 is a prime.

It is a super-2 number, since 2×145483669² = 42330995891403122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145483609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72741834 + 72741835.

It is an arithmetic number, because the mean of its divisors is an integer number (72741835).

Almost surely, 2^145483669 is an apocalyptic number.

It is an amenable number.

145483669 is a deficient number, since it is larger than the sum of its proper divisors (1).

145483669 is an equidigital number, since it uses as much as digits as its factorization.

145483669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 145483669 is about 12061.6611210894. The cubic root of 145483669 is about 525.9422763356.

The spelling of 145483669 in words is "one hundred forty-five million, four hundred eighty-three thousand, six hundred sixty-nine".