1145045 has 16 divisors (see below), whose sum is σ = 1520640. Its totient is φ = 820800.

The previous prime is 1145021. The next prime is 1145057. The reversal of 1145045 is 5405411.

It is not a de Polignac number, because 1145045 - 2⁶ = 1144981 is a prime.

It is a super-2 number, since 2×1145045² = 2622256104050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5900 + ... + 6090.

It is an arithmetic number, because the mean of its divisors is an integer number (95040).

2^1145045 is an apocalyptic number.

It is an amenable number.

1145045 is a deficient number, since it is larger than the sum of its proper divisors (375595).

1145045 is a wasteful number, since it uses less digits than its factorization.

1145045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1145045 is about 1070.0677548641. The cubic root of 1145045 is about 104.6182661709.

The spelling of 1145045 in words is "one million, one hundred forty-five thousand, forty-five".