3132145 has 8 divisors (see below), whose sum is σ = 3888360. Its totient is φ = 2419200.

The previous prime is 3132139. The next prime is 3132149. The reversal of 3132145 is 5412313.

3132145 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 891136 + 2241009 = 944^2 + 1497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3132145 - 2¹¹ = 3130097 is a prime.

3132145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3132149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656 + ... + 10945.

It is an arithmetic number, because the mean of its divisors is an integer number (486045).

Almost surely, 2^3132145 is an apocalyptic number.

It is an amenable number.

3132145 is a deficient number, since it is larger than the sum of its proper divisors (756215).

3132145 is a wasteful number, since it uses less digits than its factorization.

3132145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635.

The product of its digits is 360, while the sum is 19.

The square root of 3132145 is about 1769.7867103129. The cubic root of 3132145 is about 146.3122266672.

Adding to 3132145 its reverse (5412313), we get a palindrome (8544458).

The spelling of 3132145 in words is "three million, one hundred thirty-two thousand, one hundred forty-five".