1453445 has 16 divisors (see below), whose sum is σ = 2014848. Its totient is φ = 985920.

The previous prime is 1453429. The next prime is 1453453. The reversal of 1453445 is 5443541.

It is not a de Polignac number, because 1453445 - 2⁴ = 1453429 is a prime.

It is a super-2 number, since 2×1453445² = 4225004736050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4427 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (125928).

2^1453445 is an apocalyptic number.

It is an amenable number.

1453445 is a deficient number, since it is larger than the sum of its proper divisors (561403).

1453445 is a wasteful number, since it uses less digits than its factorization.

1453445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 4800, while the sum is 26.

The square root of 1453445 is about 1205.5890676346. The cubic root of 1453445 is about 113.2746861119.

Adding to 1453445 its reverse (5443541), we get a palindrome (6896986).

The spelling of 1453445 in words is "one million, four hundred fifty-three thousand, four hundred forty-five".