1445630 has 8 divisors (see below), whose sum is σ = 2602152. Its totient is φ = 578248.

The previous prime is 1445599. The next prime is 1445657. The reversal of 1445630 is 365441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1445596 and 1445605.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 72272 + ... + 72291.

It is an arithmetic number, because the mean of its divisors is an integer number (325269).

2^1445630 is an apocalyptic number.

1445630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445630 is a deficient number, since it is larger than the sum of its proper divisors (1156522).

1445630 is a wasteful number, since it uses less digits than its factorization.

1445630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144570.

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

The square root of 1445630 is about 1202.3435449155. The cubic root of 1445630 is about 113.0712996654.

The spelling of 1445630 in words is "one million, four hundred forty-five thousand, six hundred thirty".