1165142484 has 72 divisors (see below), whose sum is σ = 3217294080. Its totient is φ = 352598400.

The previous prime is 1165142477. The next prime is 1165142497. The reversal of 1165142484 is 4842415611.

1165142484 is a `hidden beast` number, since 1 + 165 + 14 + 2 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390952 + ... + 393920.

It is an arithmetic number, because the mean of its divisors is an integer number (44684640).

Almost surely, 2^1165142484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165142484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608647040).

1165142484 is an abundant number, since it is smaller than the sum of its proper divisors (2052151596).

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

1165142484 is a wasteful number, since it uses less digits than its factorization.

1165142484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3976 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1165142484 is about 34134.1835115475. The cubic root of 1165142484 is about 1052.2679576399.

The spelling of 1165142484 in words is "one billion, one hundred sixty-five million, one hundred forty-two thousand, four hundred eighty-four".