1053445 has 8 divisors (see below), whose sum is σ = 1285920. Its totient is φ = 828240.

The previous prime is 1053421. The next prime is 1053449. The reversal of 1053445 is 5443501.

1053445 = T₄₅₄ + T₄₅₅ + ... + T₄₆₃.

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

It is not a de Polignac number, because 1053445 - 2¹¹ = 1051397 is a prime.

It is a super-2 number, since 2×1053445² = 2219492736050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (160740).

2^1053445 is an apocalyptic number.

It is an amenable number.

1053445 is a deficient number, since it is larger than the sum of its proper divisors (232475).

1053445 is an equidigital number, since it uses as much as digits as its factorization.

1053445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1053445 is about 1026.3746879186. The cubic root of 1053445 is about 101.7506726025.

Adding to 1053445 its reverse (5443501), we get a palindrome (6496946).

The spelling of 1053445 in words is "one million, fifty-three thousand, four hundred forty-five".