3153945 has 8 divisors (see below), whose sum is σ = 5046336. Its totient is φ = 1682096.

The previous prime is 3153929. The next prime is 3153947. The reversal of 3153945 is 5493513.

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 3153945 - 2⁴ = 3153929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3153947) 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, 105117 + ... + 105146.

It is an arithmetic number, because the mean of its divisors is an integer number (630792).

Almost surely, 2^3153945 is an apocalyptic number.

It is an amenable number.

3153945 is a deficient number, since it is larger than the sum of its proper divisors (1892391).

3153945 is a wasteful number, since it uses less digits than its factorization.

3153945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210271.

The product of its digits is 8100, while the sum is 30.

The square root of 3153945 is about 1775.9349650255. The cubic root of 3153945 is about 146.6508907504.

The spelling of 3153945 in words is "three million, one hundred fifty-three thousand, nine hundred forty-five".