945231 has 32 divisors (see below), whose sum is σ = 1597440. Its totient is φ = 484704.

The previous prime is 945227. The next prime is 945233. The reversal of 945231 is 132549.

It is not a de Polignac number, because 945231 - 2² = 945227 is a prime.

It is a super-2 number, since 2×945231² = 1786923286722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9126 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (49920).

2⁹⁴⁵²³¹ is an apocalyptic number.

945231 is a deficient number, since it is larger than the sum of its proper divisors (652209).

945231 is a wasteful number, since it uses less digits than its factorization.

945231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155.

The product of its digits is 1080, while the sum is 24.

The square root of 945231 is about 972.2299110807. The cubic root of 945231 is about 98.1399845941.

It can be divided in two parts, 945 and 231, that added together give a triangular number (1176 = T₄₈).

The spelling of 945231 in words is "nine hundred forty-five thousand, two hundred thirty-one".