945081 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 564480.

The previous prime is 945059. The next prime is 945089. The reversal of 945081 is 180549.

It is not a de Polignac number, because 945081 - 2⁷ = 944953 is a prime.

It is a super-2 number, since 2×945081² = 1786356193122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945081.

It is not an unprimeable number, because it can be changed into a prime (945089) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13276 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁹⁴⁵⁰⁸¹ is an apocalyptic number.

It is an amenable number.

945081 is a deficient number, since it is larger than the sum of its proper divisors (610119).

945081 is a wasteful number, since it uses less digits than its factorization.

945081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 945081 is about 972.1527657730. The cubic root of 945081 is about 98.1347929967.

The spelling of 945081 in words is "nine hundred forty-five thousand, eighty-one".