3154145 has 8 divisors (see below), whose sum is σ = 3799656. Its totient is φ = 2513536.

The previous prime is 3154141. The next prime is 3154147. The reversal of 3154145 is 5414513.

It can be written as a sum of positive squares in 4 ways, for example, as 355216 + 2798929 = 596^2 + 1673^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3154145 - 2² = 3154141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3154145.

It is not an unprimeable number, because it can be changed into a prime (3154141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (474957).

Almost surely, 2^3154145 is an apocalyptic number.

It is an amenable number.

3154145 is a deficient number, since it is larger than the sum of its proper divisors (645511).

3154145 is a wasteful number, since it uses less digits than its factorization.

3154145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451.

The product of its digits is 1200, while the sum is 23.

The square root of 3154145 is about 1775.9912725011. The cubic root of 3154145 is about 146.6539905252.

Adding to 3154145 its reverse (5414513), we get a palindrome (8568658).

The spelling of 3154145 in words is "three million, one hundred fifty-four thousand, one hundred forty-five".