1142535004 has 12 divisors (see below), whose sum is σ = 2153239144. Its totient is φ = 527323824.

The previous prime is 1142534993. The next prime is 1142535029. The reversal of 1142535004 is 4005352411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142535004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10985862 + ... + 10985965.

Almost surely, 2^1142535004 is an apocalyptic number.

It is an amenable number.

1142535004 is a deficient number, since it is larger than the sum of its proper divisors (1010704140).

1142535004 is a wasteful number, since it uses less digits than its factorization.

1142535004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21971844 (or 21971842 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1142535004 is about 33801.4053553991. The cubic root of 1142535004 is about 1045.4176742049.

Adding to 1142535004 its reverse (4005352411), we get a palindrome (5147887415).

The spelling of 1142535004 in words is "one billion, one hundred forty-two million, five hundred thirty-five thousand, four".