1145190 has 32 divisors (see below), whose sum is σ = 2799360. Its totient is φ = 299744.

The previous prime is 1145189. The next prime is 1145191. The reversal of 1145190 is 915411.

It is an interprime number because it is at equal distance from previous prime (1145189) and next prime (1145191).

It is a super-2 number, since 2×1145190² = 2622920272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145191) 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 in 15 ways as a sum of consecutive naturals, for example, 1447 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (87480).

2^1145190 is an apocalyptic number.

1145190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399680).

1145190 is an abundant number, since it is smaller than the sum of its proper divisors (1654170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145190 is a wasteful number, since it uses less digits than its factorization.

1145190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1145190 is about 1070.1355054384. The cubic root of 1145190 is about 104.6226820114.

The spelling of 1145190 in words is "one million, one hundred forty-five thousand, one hundred ninety".