80454105 has 12 divisors (see below), whose sum is σ = 139453860. Its totient is φ = 42908832.

The previous prime is 80454097. The next prime is 80454137. The reversal of 80454105 is 50145408.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 60419529 = 4476^2 + 7773^2 .

It is not a de Polignac number, because 80454105 - 2³ = 80454097 is a prime.

It is a super-2 number, since 2×80454105² = 12945726022702050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893890 + ... + 893979.

It is an arithmetic number, because the mean of its divisors is an integer number (11621155).

Almost surely, 2^80454105 is an apocalyptic number.

It is an amenable number.

80454105 is a deficient number, since it is larger than the sum of its proper divisors (58999755).

80454105 is a wasteful number, since it uses less digits than its factorization.

80454105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787880 (or 1787877 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 80454105 is about 8969.6212294611. The cubic root of 80454105 is about 431.7006832231.

The spelling of 80454105 in words is "eighty million, four hundred fifty-four thousand, one hundred five".