7345145 has 8 divisors (see below), whose sum is σ = 8860104. Its totient is φ = 5845504.

The previous prime is 7345141. The next prime is 7345147. The reversal of 7345145 is 5415437.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 5396329 = 1396^2 + 2323^2 .

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 7345145 - 2² = 7345141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7345141) 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, 2744 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (1107513).

Almost surely, 2^7345145 is an apocalyptic number.

It is an amenable number.

7345145 is a deficient number, since it is larger than the sum of its proper divisors (1514959).

7345145 is a wasteful number, since it uses less digits than its factorization.

7345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659.

The product of its digits is 8400, while the sum is 29.

The square root of 7345145 is about 2710.1927975699. The cubic root of 7345145 is about 194.3868092824.

The spelling of 7345145 in words is "seven million, three hundred forty-five thousand, one hundred forty-five".