1135544442 has 16 divisors (see below), whose sum is σ = 2271983040. Its totient is φ = 378365792.

The previous prime is 1135544429. The next prime is 1135544453. The reversal of 1135544442 is 2444455311.

It is a happy number.

It is a super-2 number, since 2×1135544442² = 2578922359514182728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20142 + ... + 51737.

It is an arithmetic number, because the mean of its divisors is an integer number (141998940).

Almost surely, 2^1135544442 is an apocalyptic number.

1135544442 is an abundant number, since it is smaller than the sum of its proper divisors (1136438598).

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

1135544442 is a wasteful number, since it uses less digits than its factorization.

1135544442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74517.

The product of its digits is 38400, while the sum is 33.

The square root of 1135544442 is about 33697.8403165544. The cubic root of 1135544442 is about 1043.2811933056.

Adding to 1135544442 its reverse (2444455311), we get a palindrome (3579999753).

The spelling of 1135544442 in words is "one billion, one hundred thirty-five million, five hundred forty-four thousand, four hundred forty-two".