80409245 has 24 divisors (see below), whose sum is σ = 114649344. Its totient is φ = 53956896.

The previous prime is 80409233. The next prime is 80409253. The reversal of 80409245 is 54290408.

It is not a de Polignac number, because 80409245 - 2⁴ = 80409229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8024 + ... + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (4777056).

Almost surely, 2^80409245 is an apocalyptic number.

It is an amenable number.

80409245 is a deficient number, since it is larger than the sum of its proper divisors (34240099).

80409245 is a wasteful number, since it uses less digits than its factorization.

80409245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049 (or 7042 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80409245 is about 8967.1202177734. The cubic root of 80409245 is about 431.6204317009.

The spelling of 80409245 in words is "eighty million, four hundred nine thousand, two hundred forty-five".