1145204 has 6 divisors (see below), whose sum is σ = 2004114. Its totient is φ = 572600.

The previous prime is 1145203. The next prime is 1145213. The reversal of 1145204 is 4025411.

It can be written as a sum of positive squares in only one way, i.e., 940900 + 204304 = 970^2 + 452^2 .

It is a super-2 number, since 2×1145204² = 2622984403232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145203) by changing a digit.

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 as a sum of consecutive naturals, namely, 143147 + ... + 143154.

It is an arithmetic number, because the mean of its divisors is an integer number (334019).

2^1145204 is an apocalyptic number.

It is an amenable number.

1145204 is a deficient number, since it is larger than the sum of its proper divisors (858910).

1145204 is a wasteful number, since it uses less digits than its factorization.

1145204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286305 (or 286303 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1145204 is about 1070.1420466461. The cubic root of 1145204 is about 104.6231083487.

The spelling of 1145204 in words is "one million, one hundred forty-five thousand, two hundred four".