1145214132 has 48 divisors (see below), whose sum is σ = 2881435200. Its totient is φ = 352823040.

The previous prime is 1145214127. The next prime is 1145214139. The reversal of 1145214132 is 2314125411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145214139) 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, 51907 + ... + 70602.

It is an arithmetic number, because the mean of its divisors is an integer number (60029900).

Almost surely, 2^1145214132 is an apocalyptic number.

1145214132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145214132 is an abundant number, since it is smaller than the sum of its proper divisors (1736221068).

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

1145214132 is a wasteful number, since it uses less digits than its factorization.

1145214132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122576 (or 122574 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1145214132 is about 33841.0125735032. The cubic root of 1145214132 is about 1046.2341689287.

Adding to 1145214132 its reverse (2314125411), we get a palindrome (3459339543).

The spelling of 1145214132 in words is "one billion, one hundred forty-five million, two hundred fourteen thousand, one hundred thirty-two".