7233145 has 4 divisors (see below), whose sum is σ = 8679780. Its totient is φ = 5786512.

The previous prime is 7233139. The next prime is 7233169. The reversal of 7233145 is 5413327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5413327 = 17 ⋅318431.

It can be written as a sum of positive squares in 2 ways, for example, as 3504384 + 3728761 = 1872^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 7233145 - 2¹⁵ = 7200377 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723310 + ... + 723319.

It is an arithmetic number, because the mean of its divisors is an integer number (2169945).

Almost surely, 2^7233145 is an apocalyptic number.

It is an amenable number.

7233145 is a deficient number, since it is larger than the sum of its proper divisors (1446635).

7233145 is a wasteful number, since it uses less digits than its factorization.

7233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446634.

The product of its digits is 2520, while the sum is 25.

The square root of 7233145 is about 2689.4506874081. The cubic root of 7233145 is about 193.3937303044.

The spelling of 7233145 in words is "seven million, two hundred thirty-three thousand, one hundred forty-five".