80545453 has 4 divisors (see below), whose sum is σ = 81679968. Its totient is φ = 79410940.

The previous prime is 80545429. The next prime is 80545463. The reversal of 80545453 is 35454508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80545453 - 2⁹ = 80544941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80545463) 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 in 3 ways as a sum of consecutive naturals, for example, 567151 + ... + 567292.

It is an arithmetic number, because the mean of its divisors is an integer number (20419992).

Almost surely, 2^80545453 is an apocalyptic number.

It is an amenable number.

80545453 is a deficient number, since it is larger than the sum of its proper divisors (1134515).

80545453 is a wasteful number, since it uses less digits than its factorization.

80545453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134514.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 80545453 is about 8974.7118616700. The cubic root of 80545453 is about 431.8640064764.

The spelling of 80545453 in words is "eighty million, five hundred forty-five thousand, four hundred fifty-three".