4157045 has 4 divisors (see below), whose sum is σ = 4988460. Its totient is φ = 3325632.

The previous prime is 4157011. The next prime is 4157053. The reversal of 4157045 is 5407514.

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 2007889 + 2149156 = 1417^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 4157045 - 2⁶ = 4156981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415700 + ... + 415709.

It is an arithmetic number, because the mean of its divisors is an integer number (1247115).

Almost surely, 2^4157045 is an apocalyptic number.

It is an amenable number.

4157045 is a deficient number, since it is larger than the sum of its proper divisors (831415).

4157045 is an equidigital number, since it uses as much as digits as its factorization.

4157045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831414.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 4157045 is about 2038.8832727746. The cubic root of 4157045 is about 160.7909404110.

The spelling of 4157045 in words is "four million, one hundred fifty-seven thousand, forty-five".