1799145 has 16 divisors (see below), whose sum is σ = 3198720. Its totient is φ = 959472.

The previous prime is 1799141. The next prime is 1799153. The reversal of 1799145 is 5419971.

It is not a de Polignac number, because 1799145 - 2² = 1799141 is a prime.

1799145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1799141) 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, 6529 + ... + 6798.

It is an arithmetic number, because the mean of its divisors is an integer number (199920).

2^1799145 is an apocalyptic number.

1799145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1799145 is a deficient number, since it is larger than the sum of its proper divisors (1399575).

1799145 is a wasteful number, since it uses less digits than its factorization.

1799145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13341 (or 13335 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 1799145 is about 1341.3221089656. The cubic root of 1799145 is about 121.6247765548.

The spelling of 1799145 in words is "one million, seven hundred ninety-nine thousand, one hundred forty-five".