1442231500 has 48 divisors (see below), whose sum is σ = 3153739680. Its totient is φ = 576177600.

The previous prime is 1442231477. The next prime is 1442231501. The reversal of 1442231500 is 51322441.

It is not an unprimeable number, because it can be changed into a prime (1442231501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613327 + ... + 615673.

It is an arithmetic number, because the mean of its divisors is an integer number (65702910).

Almost surely, 2^1442231500 is an apocalyptic number.

1442231500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442231500 is an abundant number, since it is smaller than the sum of its proper divisors (1711508180).

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

1442231500 is a wasteful number, since it uses less digits than its factorization.

1442231500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3583 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1442231500 is about 37976.7231340462. The cubic root of 1442231500 is about 1129.8262452447.

Adding to 1442231500 its reverse (51322441), we get a palindrome (1493553941).

The spelling of 1442231500 in words is "one billion, four hundred forty-two million, two hundred thirty-one thousand, five hundred".