1445364 has 36 divisors (see below), whose sum is σ = 3791424. Its totient is φ = 481464.

The previous prime is 1445351. The next prime is 1445371. The reversal of 1445364 is 4635441.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 229 + ... + 1715.

2^1445364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895712).

1445364 is an abundant number, since it is smaller than the sum of its proper divisors (2346060).

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

1445364 is a wasteful number, since it uses less digits than its factorization.

1445364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1492 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1445364 is about 1202.2329225238. The cubic root of 1445364 is about 113.0643640939.

The spelling of 1445364 in words is "one million, four hundred forty-five thousand, three hundred sixty-four".