785453245 has 4 divisors (see below), whose sum is σ = 942543900. Its totient is φ = 628362592.

The previous prime is 785453233. The next prime is 785453281. The reversal of 785453245 is 542354587.

785453245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149303961 + 636149284 = 12219^2 + 25222^2 .

It is a cyclic number.

It is not a de Polignac number, because 785453245 - 2⁷ = 785453117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78545320 + ... + 78545329.

It is an arithmetic number, because the mean of its divisors is an integer number (235635975).

Almost surely, 2^785453245 is an apocalyptic number.

It is an amenable number.

785453245 is a deficient number, since it is larger than the sum of its proper divisors (157090655).

785453245 is a wasteful number, since it uses less digits than its factorization.

785453245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157090654.

The product of its digits is 672000, while the sum is 43.

The square root of 785453245 is about 28025.9387889148. The cubic root of 785453245 is about 922.6566425884.

The spelling of 785453245 in words is "seven hundred eighty-five million, four hundred fifty-three thousand, two hundred forty-five".