945111 has 4 divisors (see below), whose sum is σ = 1260152. Its totient is φ = 630072.

The previous prime is 945103. The next prime is 945143. The reversal of 945111 is 111549.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 945111 - 2³ = 945103 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157516 + ... + 157521.

It is an arithmetic number, because the mean of its divisors is an integer number (315038).

2⁹⁴⁵¹¹¹ is an apocalyptic number.

945111 is a deficient number, since it is larger than the sum of its proper divisors (315041).

945111 is a wasteful number, since it uses less digits than its factorization.

945111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315040.

The product of its digits is 180, while the sum is 21.

The square root of 945111 is about 972.1681953242. The cubic root of 945111 is about 98.1358313601.

The spelling of 945111 in words is "nine hundred forty-five thousand, one hundred eleven".