1023445 has 8 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 808080.

The previous prime is 1023419. The next prime is 1023461. The reversal of 1023445 is 5443201.

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

It is not a de Polignac number, because 1023445 - 2⁵ = 1023413 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^1023445 is an apocalyptic number.

It is an amenable number.

1023445 is a deficient number, since it is larger than the sum of its proper divisors (220715).

1023445 is an equidigital number, since it uses as much as digits as its factorization.

1023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1023445 is about 1011.6545853205. The cubic root of 1023445 is about 100.7754709043.

Adding to 1023445 its reverse (5443201), we get a palindrome (6466646).

The spelling of 1023445 in words is "one million, twenty-three thousand, four hundred forty-five".