945617505 has 16 divisors (see below), whose sum is σ = 1729129344. Its totient is φ = 432282240.

The previous prime is 945617483. The next prime is 945617509. The reversal of 945617505 is 505716549.

It is not a de Polignac number, because 945617505 - 2¹⁴ = 945601121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (945617509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4502836 + ... + 4503045.

It is an arithmetic number, because the mean of its divisors is an integer number (108070584).

Almost surely, 2^945617505 is an apocalyptic number.

It is an amenable number.

945617505 is a deficient number, since it is larger than the sum of its proper divisors (783511839).

945617505 is a wasteful number, since it uses less digits than its factorization.

945617505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005896.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 945617505 is about 30750.8943772372. The cubic root of 945617505 is about 981.5335925272.

The spelling of 945617505 in words is "nine hundred forty-five million, six hundred seventeen thousand, five hundred five".