7814145 has 8 divisors (see below), whose sum is σ = 12502656. Its totient is φ = 4167536.

The previous prime is 7814119. The next prime is 7814159. The reversal of 7814145 is 5414187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7814145 - 2⁹ = 7813633 is a prime.

It is a super-2 number, since 2×7814145² = 122121724162050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260457 + ... + 260486.

It is an arithmetic number, because the mean of its divisors is an integer number (1562832).

Almost surely, 2^7814145 is an apocalyptic number.

It is an amenable number.

7814145 is a deficient number, since it is larger than the sum of its proper divisors (4688511).

7814145 is a wasteful number, since it uses less digits than its factorization.

7814145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520951.

The product of its digits is 4480, while the sum is 30.

The square root of 7814145 is about 2795.3792229320. The cubic root of 7814145 is about 198.4390573172.

The spelling of 7814145 in words is "seven million, eight hundred fourteen thousand, one hundred forty-five".