4157345 has 8 divisors (see below), whose sum is σ = 5028864. Its totient is φ = 3299184.

The previous prime is 4157339. The next prime is 4157347. The reversal of 4157345 is 5437514.

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 4157345 - 2¹⁶ = 4091809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4157347) 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, 2639 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (628608).

Almost surely, 2^4157345 is an apocalyptic number.

It is an amenable number.

4157345 is a deficient number, since it is larger than the sum of its proper divisors (871519).

4157345 is a wasteful number, since it uses less digits than its factorization.

4157345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679.

The product of its digits is 8400, while the sum is 29.

The square root of 4157345 is about 2038.9568411322. The cubic root of 4157345 is about 160.7948082323.

The spelling of 4157345 in words is "four million, one hundred fifty-seven thousand, three hundred forty-five".