1442135532 has 24 divisors (see below), whose sum is σ = 3455929456. Its totient is φ = 467719488.

The previous prime is 1442135507. The next prime is 1442135533. The reversal of 1442135532 is 2355312441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442135532.

It is not an unprimeable number, because it can be changed into a prime (1442135533) 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, 1623583 + ... + 1624470.

Almost surely, 2^1442135532 is an apocalyptic number.

1442135532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442135532 is an abundant number, since it is smaller than the sum of its proper divisors (2013793924).

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

1442135532 is a wasteful number, since it uses less digits than its factorization.

1442135532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248097 (or 3248095 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1442135532 is about 37975.4596022221. The cubic root of 1442135532 is about 1129.8011846424.

Adding to 1442135532 its reverse (2355312441), we get a palindrome (3797447973).

The spelling of 1442135532 in words is "one billion, four hundred forty-two million, one hundred thirty-five thousand, five hundred thirty-two".