945131 has 12 divisors (see below), whose sum is σ = 1062936. Its totient is φ = 839520.

The previous prime is 945103. The next prime is 945143. The reversal of 945131 is 131549.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-945131 is a prime.

It is a super-2 number, since 2×945131² = 1786545214322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945097 and 945106.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945131.

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 11 ways as a sum of consecutive naturals, for example, 8780 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (88578).

2⁹⁴⁵¹³¹ is an apocalyptic number.

945131 is a deficient number, since it is larger than the sum of its proper divisors (117805).

945131 is a wasteful number, since it uses less digits than its factorization.

945131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 191 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 945131 is about 972.1784815557. The cubic root of 945131 is about 98.1365235902.

It can be divided in two parts, 94 and 5131, that added together give a palindrome (5225).

The spelling of 945131 in words is "nine hundred forty-five thousand, one hundred thirty-one".