785429145 has 12 divisors (see below), whose sum is σ = 1361410596. Its totient is φ = 418895520.

The previous prime is 785429137. The next prime is 785429147. The reversal of 785429145 is 541924587.

785429145 is a `hidden beast` number, since 7 + 85 + 429 + 145 = 666.

785429145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 330076224 + 455352921 = 18168^2 + 21339^2 .

It is not a de Polignac number, because 785429145 - 2³ = 785429137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 17453981 = 785429145 / (7 + 8 + 5 + 4 + 2 + 9 + 1 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 785429145.

It is not an unprimeable number, because it can be changed into a prime (785429147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8726946 + ... + 8727035.

It is an arithmetic number, because the mean of its divisors is an integer number (113450883).

Almost surely, 2^785429145 is an apocalyptic number.

It is an amenable number.

785429145 is a deficient number, since it is larger than the sum of its proper divisors (575981451).

785429145 is a wasteful number, since it uses less digits than its factorization.

785429145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17453992 (or 17453989 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 785429145 is about 28025.5088267814. The cubic root of 785429145 is about 922.6472058916.

The spelling of 785429145 in words is "seven hundred eighty-five million, four hundred twenty-nine thousand, one hundred forty-five".