4157157 has 8 divisors (see below), whose sum is σ = 5592384. Its totient is φ = 2746688.

The previous prime is 4157147. The next prime is 4157159. The reversal of 4157157 is 7517514.

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 4157157 - 2⁴ = 4157141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157159) 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, 5793 + ... + 6470.

It is an arithmetic number, because the mean of its divisors is an integer number (699048).

Almost surely, 2^4157157 is an apocalyptic number.

It is an amenable number.

4157157 is a deficient number, since it is larger than the sum of its proper divisors (1435227).

4157157 is a wasteful number, since it uses less digits than its factorization.

4157157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379.

The product of its digits is 4900, while the sum is 30.

The square root of 4157157 is about 2038.9107386053. The cubic root of 4157157 is about 160.7923844194.

The spelling of 4157157 in words is "four million, one hundred fifty-seven thousand, one hundred fifty-seven".