945474261 has 16 divisors (see below), whose sum is σ = 1359975744. Its totient is φ = 582043904.

The previous prime is 945474259. The next prime is 945474281. The reversal of 945474261 is 162474549.

It is a cyclic number.

It is not a de Polignac number, because 945474261 - 2¹ = 945474259 is a prime.

It is a super-2 number, since 2×945474261² = 1787843156426992242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945474221) 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, 172191 + ... + 177596.

It is an arithmetic number, because the mean of its divisors is an integer number (84998484).

Almost surely, 2^945474261 is an apocalyptic number.

It is an amenable number.

945474261 is a deficient number, since it is larger than the sum of its proper divisors (414501483).

945474261 is a wasteful number, since it uses less digits than its factorization.

945474261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349860.

The product of its digits is 241920, while the sum is 42.

The square root of 945474261 is about 30748.5651860375. The cubic root of 945474261 is about 981.4840284779.

The spelling of 945474261 in words is "nine hundred forty-five million, four hundred seventy-four thousand, two hundred sixty-one".