4270145 has 16 divisors (see below), whose sum is σ = 5920128. Its totient is φ = 2922240.

The previous prime is 4270139. The next prime is 4270169. The reversal of 4270145 is 5410724.

4270145 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 4270145 - 2⁶ = 4270081 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 4270145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (370008).

Almost surely, 2^4270145 is an apocalyptic number.

It is an amenable number.

4270145 is a deficient number, since it is larger than the sum of its proper divisors (1649983).

4270145 is a wasteful number, since it uses less digits than its factorization.

4270145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600.

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

The square root of 4270145 is about 2066.4329168884. The cubic root of 4270145 is about 162.2361160893.

Adding to 4270145 its reverse (5410724), we get a palindrome (9680869).

The spelling of 4270145 in words is "four million, two hundred seventy thousand, one hundred forty-five".