1144533042 has 12 divisors (see below), whose sum is σ = 2479821630. Its totient is φ = 381511008.

The previous prime is 1144533037. The next prime is 1144533059. The reversal of 1144533042 is 2403354411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 684816561 + 459716481 = 26169^2 + 21441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144532997 and 1144533015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31792567 + ... + 31792602.

Almost surely, 2^1144533042 is an apocalyptic number.

1144533042 is an abundant number, since it is smaller than the sum of its proper divisors (1335288588).

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

1144533042 is a wasteful number, since it uses less digits than its factorization.

1144533042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63585177 (or 63585174 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1144533042 is about 33830.9479914471. The cubic root of 1144533042 is about 1046.0267198236.

Adding to 1144533042 its reverse (2403354411), we get a palindrome (3547887453).

The spelling of 1144533042 in words is "one billion, one hundred forty-four million, five hundred thirty-three thousand, forty-two".