1826145 has 32 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 968112.

The previous prime is 1826141. The next prime is 1826161. The reversal of 1826145 is 5416281.

It is not a de Polignac number, because 1826145 - 2² = 1826141 is a prime.

It is a super-2 number, since 2×1826145² = 6669611122050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1826141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10852 + ... + 11018.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1826145 is an apocalyptic number.

1826145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1826145 is a deficient number, since it is larger than the sum of its proper divisors (1480095).

1826145 is an frugal number, since it uses more digits than its factorization.

1826145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 175 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1826145 is about 1351.3493256742. The cubic root of 1826145 is about 122.2301710472.

The spelling of 1826145 in words is "one million, eight hundred twenty-six thousand, one hundred forty-five".