3130145 has 8 divisors (see below), whose sum is σ = 3848040. Its totient is φ = 2442880.

The previous prime is 3130129. The next prime is 3130147. The reversal of 3130145 is 5410313.

3130145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 784 + 3129361 = 28^2 + 1769^2 .

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

It is not a de Polignac number, because 3130145 - 2⁴ = 3130129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7430 + ... + 7839.

It is an arithmetic number, because the mean of its divisors is an integer number (481005).

Almost surely, 2^3130145 is an apocalyptic number.

It is an amenable number.

3130145 is a deficient number, since it is larger than the sum of its proper divisors (717895).

3130145 is a wasteful number, since it uses less digits than its factorization.

3130145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3130145 is about 1769.2215802437. The cubic root of 3130145 is about 146.2810779646.

Adding to 3130145 its reverse (5410313), we get a palindrome (8540458).

The spelling of 3130145 in words is "three million, one hundred thirty thousand, one hundred forty-five".