2470145 has 4 divisors (see below), whose sum is σ = 2964180. Its totient is φ = 1976112.

The previous prime is 2470141. The next prime is 2470159. The reversal of 2470145 is 5410742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 595984 = 1369^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2470145 - 2² = 2470141 is a prime.

It is a super-2 number, since 2×2470145² = 12203232642050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2470145.

It is not an unprimeable number, because it can be changed into a prime (2470141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247010 + ... + 247019.

It is an arithmetic number, because the mean of its divisors is an integer number (741045).

2^2470145 is an apocalyptic number.

It is an amenable number.

2470145 is a deficient number, since it is larger than the sum of its proper divisors (494035).

2470145 is an equidigital number, since it uses as much as digits as its factorization.

2470145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494034.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2470145 is about 1571.6694945185. The cubic root of 2470145 is about 135.1784562675.

Adding to 2470145 its reverse (5410742), we get a palindrome (7880887).

The spelling of 2470145 in words is "two million, four hundred seventy thousand, one hundred forty-five".