4175145 has 60 divisors (see below), whose sum is σ = 8237196. Its totient is φ = 2021760.

The previous prime is 4175141. The next prime is 4175177. The reversal of 4175145 is 5415714.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1996569 + 2178576 = 1413^2 + 1476^2 .

It is not a de Polignac number, because 4175145 - 2² = 4175141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4175145 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4175141) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 68415 + ... + 68475.

Almost surely, 2^4175145 is an apocalyptic number.

4175145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4175145 is a deficient number, since it is larger than the sum of its proper divisors (4062051).

4175145 is a wasteful number, since it uses less digits than its factorization.

4175145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 82 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 4175145 is about 2043.3171559990. The cubic root of 4175145 is about 161.0239667007.

The spelling of 4175145 in words is "four million, one hundred seventy-five thousand, one hundred forty-five".