7455345 has 16 divisors (see below), whose sum is σ = 12314112. Its totient is φ = 3847680.

The previous prime is 7455307. The next prime is 7455373. The reversal of 7455345 is 5435547.

It is not a de Polignac number, because 7455345 - 2¹¹ = 7453297 is a prime.

7455345 is a lucky 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 15 ways as a sum of consecutive naturals, for example, 7552 + ... + 8481.

It is an arithmetic number, because the mean of its divisors is an integer number (769632).

Almost surely, 2^7455345 is an apocalyptic number.

It is an amenable number.

7455345 is a deficient number, since it is larger than the sum of its proper divisors (4858767).

7455345 is a wasteful number, since it uses less digits than its factorization.

7455345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16072.

The product of its digits is 42000, while the sum is 33.

The square root of 7455345 is about 2730.4477654773. The cubic root of 7455345 is about 195.3541231184.

The spelling of 7455345 in words is "seven million, four hundred fifty-five thousand, three hundred forty-five".