465144469 has 2 divisors, whose sum is σ = 465144470. Its totient is φ = 465144468.

The previous prime is 465144437. The next prime is 465144473. The reversal of 465144469 is 964441564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320231025 + 144913444 = 17895^2 + 12038^2 .

It is a cyclic number.

It is not a de Polignac number, because 465144469 - 2⁵ = 465144437 is a prime.

It is a super-2 number, since 2×465144469² = 432718754082583922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465144409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232572234 + 232572235.

It is an arithmetic number, because the mean of its divisors is an integer number (232572235).

Almost surely, 2^465144469 is an apocalyptic number.

It is an amenable number.

465144469 is a deficient number, since it is larger than the sum of its proper divisors (1).

465144469 is an equidigital number, since it uses as much as digits as its factorization.

465144469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 465144469 is about 21567.2081874312. The cubic root of 465144469 is about 774.8113138986.

The spelling of 465144469 in words is "four hundred sixty-five million, one hundred forty-four thousand, four hundred sixty-nine".