7009145 has 16 divisors (see below), whose sum is σ = 9882432. Its totient is φ = 4704960.

The previous prime is 7009139. The next prime is 7009147. The reversal of 7009145 is 5419007.

It is not a de Polignac number, because 7009145 - 2⁸ = 7008889 is a prime.

It is a super-2 number, since 2×7009145² = 98256227262050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7009147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4187 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (617652).

Almost surely, 2^7009145 is an apocalyptic number.

It is an amenable number.

7009145 is a deficient number, since it is larger than the sum of its proper divisors (2873287).

7009145 is a wasteful number, since it uses less digits than its factorization.

7009145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7009145 is about 2647.4789895295. The cubic root of 7009145 is about 191.3763856252.

The spelling of 7009145 in words is "seven million, nine thousand, one hundred forty-five".