7853145 has 8 divisors (see below), whose sum is σ = 12565056. Its totient is φ = 4188336.

The previous prime is 7853129. The next prime is 7853147. The reversal of 7853145 is 5413587.

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

It is not a de Polignac number, because 7853145 - 2⁴ = 7853129 is a prime.

It is a Curzon number.

7853145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7853147) 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, 261757 + ... + 261786.

It is an arithmetic number, because the mean of its divisors is an integer number (1570632).

Almost surely, 2^7853145 is an apocalyptic number.

It is an amenable number.

7853145 is a deficient number, since it is larger than the sum of its proper divisors (4711911).

7853145 is a wasteful number, since it uses less digits than its factorization.

7853145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523551.

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

The square root of 7853145 is about 2802.3463383386. The cubic root of 7853145 is about 198.7686426878.

The spelling of 7853145 in words is "seven million, eight hundred fifty-three thousand, one hundred forty-five".