1445636 has 6 divisors (see below), whose sum is σ = 2529870. Its totient is φ = 722816.

The previous prime is 1445599. The next prime is 1445657. The reversal of 1445636 is 6365441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 136900 = 1144^2 + 370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1445599 and 1445608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180701 + ... + 180708.

It is an arithmetic number, because the mean of its divisors is an integer number (421645).

2^1445636 is an apocalyptic number.

It is an amenable number.

1445636 is a deficient number, since it is larger than the sum of its proper divisors (1084234).

1445636 is a wasteful number, since it uses less digits than its factorization.

1445636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361413 (or 361411 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1445636 is about 1202.3460400401. The cubic root of 1445636 is about 113.0714560971.

The spelling of 1445636 in words is "one million, four hundred forty-five thousand, six hundred thirty-six".