7453145 has 24 divisors (see below), whose sum is σ = 10773000. Its totient is φ = 4929792.

The previous prime is 7453133. The next prime is 7453181. The reversal of 7453145 is 5413547.

7453145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2181529 + 5271616 = 1477^2 + 2296^2 .

It is not a de Polignac number, because 7453145 - 2¹⁸ = 7191001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6581 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (448875).

Almost surely, 2^7453145 is an apocalyptic number.

It is an amenable number.

7453145 is a deficient number, since it is larger than the sum of its proper divisors (3319855).

7453145 is a wasteful number, since it uses less digits than its factorization.

7453145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1090 counting only the distinct ones).

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

The square root of 7453145 is about 2730.0448714261. The cubic root of 7453145 is about 195.3349055256.

The spelling of 7453145 in words is "seven million, four hundred fifty-three thousand, one hundred forty-five".