1645482 has 16 divisors (see below), whose sum is σ = 3316320. Its totient is φ = 544272.

The previous prime is 1645477. The next prime is 1645487. The reversal of 1645482 is 2845461.

It is an interprime number because it is at equal distance from previous prime (1645477) and next prime (1645487).

It is a super-2 number, since 2×1645482² = 5415222024648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1645487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (207270).

2^1645482 is an apocalyptic number.

1645482 is an abundant number, since it is smaller than the sum of its proper divisors (1670838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1645482 is a wasteful number, since it uses less digits than its factorization.

1645482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117.

The product of its digits is 7680, while the sum is 30.

The square root of 1645482 is about 1282.7634232391. The cubic root of 1645482 is about 118.0586225998.

The spelling of 1645482 in words is "one million, six hundred forty-five thousand, four hundred eighty-two".