7289145 has 24 divisors (see below), whose sum is σ = 12931776. Its totient is φ = 3796128.

The previous prime is 7289129. The next prime is 7289167. The reversal of 7289145 is 5419827.

It is not a de Polignac number, because 7289145 - 2⁴ = 7289129 is a prime.

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, 52 + ... + 3818.

It is an arithmetic number, because the mean of its divisors is an integer number (538824).

Almost surely, 2^7289145 is an apocalyptic number.

It is an amenable number.

7289145 is a deficient number, since it is larger than the sum of its proper divisors (5642631).

7289145 is a wasteful number, since it uses less digits than its factorization.

7289145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3818 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7289145 is about 2699.8416620239. The cubic root of 7289145 is about 193.8915413881.

The spelling of 7289145 in words is "seven million, two hundred eighty-nine thousand, one hundred forty-five".