3157845 has 8 divisors (see below), whose sum is σ = 5052576. Its totient is φ = 1684176.

The previous prime is 3157837. The next prime is 3157853. The reversal of 3157845 is 5487513.

3157845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3157837) and next prime (3157853).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3157845 - 2³ = 3157837 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105247 + ... + 105276.

It is an arithmetic number, because the mean of its divisors is an integer number (631572).

Almost surely, 2^3157845 is an apocalyptic number.

It is an amenable number.

3157845 is a deficient number, since it is larger than the sum of its proper divisors (1894731).

3157845 is a wasteful number, since it uses less digits than its factorization.

3157845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210531.

The product of its digits is 16800, while the sum is 33.

The square root of 3157845 is about 1777.0326389799. The cubic root of 3157845 is about 146.7113127396.

The spelling of 3157845 in words is "three million, one hundred fifty-seven thousand, eight hundred forty-five".