945774665 has 16 divisors (see below), whose sum is σ = 1261469376. Its totient is φ = 674856000.

The previous prime is 945774653. The next prime is 945774667. The reversal of 945774665 is 566477549.

It is not a de Polignac number, because 945774665 - 2⁶ = 945774601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945774667) 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, 159311 + ... + 165140.

It is an arithmetic number, because the mean of its divisors is an integer number (78841836).

Almost surely, 2^945774665 is an apocalyptic number.

It is an amenable number.

945774665 is a deficient number, since it is larger than the sum of its proper divisors (315694711).

945774665 is a wasteful number, since it uses less digits than its factorization.

945774665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324520.

The product of its digits is 6350400, while the sum is 53.

The square root of 945774665 is about 30753.4496439017. The cubic root of 945774665 is about 981.5879659123.

The spelling of 945774665 in words is "nine hundred forty-five million, seven hundred seventy-four thousand, six hundred sixty-five".