7245945 has 24 divisors (see below), whose sum is σ = 14354496. Its totient is φ = 3312288.

The previous prime is 7245941. The next prime is 7245949. The reversal of 7245945 is 5495427.

It is an interprime number because it is at equal distance from previous prime (7245941) and next prime (7245949).

It is not a de Polignac number, because 7245945 - 2² = 7245941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7245941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11187 + ... + 11816.

It is an arithmetic number, because the mean of its divisors is an integer number (598104).

Almost surely, 2^7245945 is an apocalyptic number.

It is an amenable number.

7245945 is a deficient number, since it is larger than the sum of its proper divisors (7108551).

7245945 is a wasteful number, since it uses less digits than its factorization.

7245945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23021 (or 23018 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 7245945 is about 2691.8293036521. The cubic root of 7245945 is about 193.5077416128.

The spelling of 7245945 in words is "seven million, two hundred forty-five thousand, nine hundred forty-five".