4045157 has 4 divisors (see below), whose sum is σ = 4258080. Its totient is φ = 3832236.

The previous prime is 4045147. The next prime is 4045163. The reversal of 4045157 is 7515404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4045157 - 2⁴ = 4045141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045117) 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, 106433 + ... + 106470.

It is an arithmetic number, because the mean of its divisors is an integer number (1064520).

Almost surely, 2^4045157 is an apocalyptic number.

It is an amenable number.

4045157 is a deficient number, since it is larger than the sum of its proper divisors (212923).

4045157 is a wasteful number, since it uses less digits than its factorization.

4045157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212922.

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

The square root of 4045157 is about 2011.2575667975. The cubic root of 4045157 is about 159.3352235478.

The spelling of 4045157 in words is "four million, forty-five thousand, one hundred fifty-seven".