165453455 has 8 divisors (see below), whose sum is σ = 203910432. Its totient is φ = 128785248.

The previous prime is 165453443. The next prime is 165453461. The reversal of 165453455 is 554354561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165453455 - 2⁸ = 165453199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446987 + ... + 447356.

It is an arithmetic number, because the mean of its divisors is an integer number (25488804).

Almost surely, 2^165453455 is an apocalyptic number.

165453455 is a deficient number, since it is larger than the sum of its proper divisors (38456977).

165453455 is an equidigital number, since it uses as much as digits as its factorization.

165453455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894385.

The product of its digits is 180000, while the sum is 38.

The square root of 165453455 is about 12862.8711802614. The cubic root of 165453455 is about 548.9826427293.

The spelling of 165453455 in words is "one hundred sixty-five million, four hundred fifty-three thousand, four hundred fifty-five".