1142441300 has 288 divisors, whose sum is σ = 3391282944. Its totient is φ = 322560000.

The previous prime is 1142441231. The next prime is 1142441323. The reversal of 1142441300 is 31442411.

1142441300 = 6748² + 6749² + ... + 6772².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10110044 + ... + 10110156.

It is an arithmetic number, because the mean of its divisors is an integer number (11775288).

Almost surely, 2^1142441300 is an apocalyptic number.

1142441300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142441300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695641472).

1142441300 is an abundant number, since it is smaller than the sum of its proper divisors (2248841644).

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

1142441300 is a wasteful number, since it uses less digits than its factorization.

1142441300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 252 counting only the distinct ones).

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

The square root of 1142441300 is about 33800.0192307638. The cubic root of 1142441300 is about 1045.3890937543.

Adding to 1142441300 its reverse (31442411), we get a palindrome (1173883711).

The spelling of 1142441300 in words is "one billion, one hundred forty-two million, four hundred forty-one thousand, three hundred".