2472145 has 16 divisors (see below), whose sum is σ = 3244752. Its totient is φ = 1797120.

The previous prime is 2472143. The next prime is 2472167. The reversal of 2472145 is 5412742.

2472145 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 8 ways, for example, as 278784 + 2193361 = 528^2 + 1481^2 .

It is not a de Polignac number, because 2472145 - 2¹ = 2472143 is a prime.

It is a super-2 number, since 2×2472145² = 12223001802050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2472143) 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 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (202797).

2^2472145 is an apocalyptic number.

It is an amenable number.

2472145 is a deficient number, since it is larger than the sum of its proper divisors (772607).

2472145 is a wasteful number, since it uses less digits than its factorization.

2472145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its digits is 2240, while the sum is 25.

The square root of 2472145 is about 1572.3056318668. The cubic root of 2472145 is about 135.2149296971.

Adding to 2472145 its reverse (5412742), we get a palindrome (7884887).

The spelling of 2472145 in words is "two million, four hundred seventy-two thousand, one hundred forty-five".