945331745 has 12 divisors (see below), whose sum is σ = 1147335420. Its totient is φ = 747736704.

The previous prime is 945331669. The next prime is 945331769. The reversal of 945331745 is 547133549.

It can be written as a sum of positive squares in 6 ways, for example, as 58721569 + 886610176 = 7663^2 + 29776^2 .

It is not a de Polignac number, because 945331745 - 2²⁰ = 944283169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27671 + ... + 51539.

It is an arithmetic number, because the mean of its divisors is an integer number (95611285).

Almost surely, 2^945331745 is an apocalyptic number.

It is an amenable number.

945331745 is a deficient number, since it is larger than the sum of its proper divisors (202003675).

945331745 is an equidigital number, since it uses as much as digits as its factorization.

945331745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24052 (or 23963 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 945331745 is about 30746.2476572345. The cubic root of 945331745 is about 981.4347113566.

The spelling of 945331745 in words is "nine hundred forty-five million, three hundred thirty-one thousand, seven hundred forty-five".