3155245 has 8 divisors (see below), whose sum is σ = 3832416. Its totient is φ = 2493456.

The previous prime is 3155239. The next prime is 3155263. The reversal of 3155245 is 5425513.

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 3155245 - 2⁵ = 3155213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387 + ... + 4216.

It is an arithmetic number, because the mean of its divisors is an integer number (479052).

Almost surely, 2^3155245 is an apocalyptic number.

It is an amenable number.

3155245 is a deficient number, since it is larger than the sum of its proper divisors (677171).

3155245 is an equidigital number, since it uses as much as digits as its factorization.

3155245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691.

The product of its digits is 3000, while the sum is 25.

The square root of 3155245 is about 1776.3009317117. The cubic root of 3155245 is about 146.6710369451.

The spelling of 3155245 in words is "three million, one hundred fifty-five thousand, two hundred forty-five".