1142210432 has 64 divisors (see below), whose sum is σ = 2488147200. Its totient is φ = 517977600.

The previous prime is 1142210417. The next prime is 1142210437. The reversal of 1142210432 is 2340122411.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142210437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927257 + ... + 928487.

It is an arithmetic number, because the mean of its divisors is an integer number (38877300).

Almost surely, 2^1142210432 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 1142210432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244073600).

1142210432 is an abundant number, since it is smaller than the sum of its proper divisors (1345936768).

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

1142210432 is a wasteful number, since it uses less digits than its factorization.

1142210432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142210432 is about 33796.6038530501. The cubic root of 1142210432 is about 1045.3186705449.

Adding to 1142210432 its reverse (2340122411), we get a palindrome (3482332843).

The spelling of 1142210432 in words is "one billion, one hundred forty-two million, two hundred ten thousand, four hundred thirty-two".