807145 has 8 divisors (see below), whose sum is σ = 978120. Its totient is φ = 639360.

The previous prime is 807127. The next prime is 807151. The reversal of 807145 is 541708.

It can be written as a sum of positive squares in 4 ways, for example, as 114921 + 692224 = 339^2 + 832^2 .

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

It is not a de Polignac number, because 807145 - 2⁵ = 807113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (122265).

2⁸⁰⁷¹⁴⁵ is an apocalyptic number.

It is an amenable number.

807145 is a deficient number, since it is larger than the sum of its proper divisors (170975).

807145 is a wasteful number, since it uses less digits than its factorization.

807145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 807145 is about 898.4124887823. The cubic root of 807145 is about 93.1073258953.

It can be divided in two parts, 80 and 7145, that added together give a square (7225 = 85²).

The spelling of 807145 in words is "eight hundred seven thousand, one hundred forty-five".