1454802809 has 4 divisors (see below), whose sum is σ = 1455111504. Its totient is φ = 1454494116.

The previous prime is 1454802803. The next prime is 1454802859. The reversal of 1454802809 is 9082084541.

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 1454802809 - 2¹² = 1454798713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454802803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147167 + ... + 156740.

It is an arithmetic number, because the mean of its divisors is an integer number (363777876).

Almost surely, 2^1454802809 is an apocalyptic number.

It is an amenable number.

1454802809 is a deficient number, since it is larger than the sum of its proper divisors (308695).

1454802809 is an equidigital number, since it uses as much as digits as its factorization.

1454802809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308694.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1454802809 is about 38141.8773659609. The cubic root of 1454802809 is about 1133.0994888834.

The spelling of 1454802809 in words is "one billion, four hundred fifty-four million, eight hundred two thousand, eight hundred nine".