1450643 has 4 divisors (see below), whose sum is σ = 1455888. Its totient is φ = 1445400.

The previous prime is 1450639. The next prime is 1450651. The reversal of 1450643 is 3460541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1450643 - 2² = 1450639 is a prime.

It is a super-2 number, since 2×1450643² = 4208730226898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (363972).

2^1450643 is an apocalyptic number.

1450643 is a deficient number, since it is larger than the sum of its proper divisors (5245).

1450643 is an equidigital number, since it uses as much as digits as its factorization.

1450643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1450643 is about 1204.4264195043. The cubic root of 1450643 is about 113.2018477059.

The spelling of 1450643 in words is "one million, four hundred fifty thousand, six hundred forty-three".