785020145 has 32 divisors (see below), whose sum is σ = 1164387840. Its totient is φ = 494760960.

The previous prime is 785020141. The next prime is 785020151. The reversal of 785020145 is 541020587.

It is not a de Polignac number, because 785020145 - 2² = 785020141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (785020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106076 + ... + 113234.

It is an arithmetic number, because the mean of its divisors is an integer number (36387120).

Almost surely, 2^785020145 is an apocalyptic number.

It is an amenable number.

785020145 is a deficient number, since it is larger than the sum of its proper divisors (379367695).

785020145 is a wasteful number, since it uses less digits than its factorization.

785020145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 785020145 is about 28018.2109528785. The cubic root of 785020145 is about 922.4870266951.

The spelling of 785020145 in words is "seven hundred eighty-five million, twenty thousand, one hundred forty-five".