1145718 has 48 divisors (see below), whose sum is σ = 2968560. Its totient is φ = 326592.

The previous prime is 1145713. The next prime is 1145723. The reversal of 1145718 is 8175411.

It is an interprime number because it is at equal distance from previous prime (1145713) and next prime (1145723).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145691 and 1145700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2430 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (61845).

2^1145718 is an apocalyptic number.

1145718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484280).

1145718 is an abundant number, since it is smaller than the sum of its proper divisors (1822842).

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

1145718 is a wasteful number, since it uses less digits than its factorization.

1145718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 445 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1145718 is about 1070.3821747395. The cubic root of 1145718 is about 104.6387586125.

It can be divided in two parts, 114 and 5718, that added together give a cube (5832 = 18³).

The spelling of 1145718 in words is "one million, one hundred forty-five thousand, seven hundred eighteen".