1045245 has 16 divisors (see below), whose sum is σ = 1771200. Its totient is φ = 524544.

The previous prime is 1045241. The next prime is 1045273. The reversal of 1045245 is 5425401.

1045245 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 1045245 - 2² = 1045241 is a prime.

It is a super-2 number, since 2×1045245² = 2185074220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (110700).

2^1045245 is an apocalyptic number.

1045245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045245 is a deficient number, since it is larger than the sum of its proper divisors (725955).

1045245 is a wasteful number, since it uses less digits than its factorization.

1045245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1045245 is about 1022.3722414072. The cubic root of 1045245 is about 101.4859760446.

The spelling of 1045245 in words is "one million, forty-five thousand, two hundred forty-five".