8140445 has 16 divisors (see below), whose sum is σ = 10437120. Its totient is φ = 6081600.

The previous prime is 8140441. The next prime is 8140519. The reversal of 8140445 is 5440418.

It is not a de Polignac number, because 8140445 - 2² = 8140441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140441) 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, 3590 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (652320).

Almost surely, 2^8140445 is an apocalyptic number.

It is an amenable number.

8140445 is a deficient number, since it is larger than the sum of its proper divisors (2296675).

8140445 is a wasteful number, since it uses less digits than its factorization.

8140445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 8140445 is about 2853.1465086812. The cubic root of 8140445 is about 201.1635921380.

The spelling of 8140445 in words is "eight million, one hundred forty thousand, four hundred forty-five".