3155243 has 8 divisors (see below), whose sum is σ = 3883488. Its totient is φ = 2496384.

The previous prime is 3155239. The next prime is 3155263. The reversal of 3155243 is 3425513.

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 3155243 - 2² = 3155239 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3155203) 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, 17246 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (485436).

Almost surely, 2^3155243 is an apocalyptic number.

3155243 is a deficient number, since it is larger than the sum of its proper divisors (728245).

3155243 is a wasteful number, since it uses less digits than its factorization.

3155243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34693.

The product of its digits is 1800, while the sum is 23.

The square root of 3155243 is about 1776.3003687440. The cubic root of 3155243 is about 146.6710059552.

The spelling of 3155243 in words is "three million, one hundred fifty-five thousand, two hundred forty-three".