8051645 has 8 divisors (see below), whose sum is σ = 11042304. Its totient is φ = 5521104.

The previous prime is 8051639. The next prime is 8051651. The reversal of 8051645 is 5461508.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8051639) and next prime (8051651).

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 8051645 - 2¹⁸ = 7789501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114989 + ... + 115058.

It is an arithmetic number, because the mean of its divisors is an integer number (1380288).

Almost surely, 2^8051645 is an apocalyptic number.

It is an amenable number.

8051645 is a deficient number, since it is larger than the sum of its proper divisors (2990659).

8051645 is a wasteful number, since it uses less digits than its factorization.

8051645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230059.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 8051645 is about 2837.5420701727. The cubic root of 8051645 is about 200.4294521940.

The spelling of 8051645 in words is "eight million, fifty-one thousand, six hundred forty-five".