1145280114 has 64 divisors (see below), whose sum is σ = 2835578880. Its totient is φ = 339662160.

The previous prime is 1145280109. The next prime is 1145280131. The reversal of 1145280114 is 4110825411.

It is a happy number.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7407 + ... + 48429.

It is an arithmetic number, because the mean of its divisors is an integer number (44305920).

Almost surely, 2^1145280114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145280114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417789440).

1145280114 is an abundant number, since it is smaller than the sum of its proper divisors (1690298766).

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

1145280114 is a wasteful number, since it uses less digits than its factorization.

1145280114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41092 (or 41086 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1145280114 is about 33841.9874416382. The cubic root of 1145280114 is about 1046.2542616185.

The spelling of 1145280114 in words is "one billion, one hundred forty-five million, two hundred eighty thousand, one hundred fourteen".