4145297 has 8 divisors (see below), whose sum is σ = 4727016. Its totient is φ = 3601152.

The previous prime is 4145293. The next prime is 4145299. The reversal of 4145297 is 7925414.

It is a happy number.

It is a Cunningham number, because it is equal to 2036²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 3530641 = 784^2 + 1879^2 .

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 4145297 - 2² = 4145293 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9158 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (590877).

Almost surely, 2^4145297 is an apocalyptic number.

It is an amenable number.

4145297 is a deficient number, since it is larger than the sum of its proper divisors (581719).

4145297 is a wasteful number, since it uses less digits than its factorization.

4145297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18787.

The product of its digits is 10080, while the sum is 32.

The square root of 4145297 is about 2036.0002455796. Note that the first 3 decimals coincide. The cubic root of 4145297 is about 160.6393299756.

The spelling of 4145297 in words is "four million, one hundred forty-five thousand, two hundred ninety-seven".