1142435652 has 12 divisors (see below), whose sum is σ = 2665683216. Its totient is φ = 380811880.

The previous prime is 1142435647. The next prime is 1142435663. The reversal of 1142435652 is 2565342411.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47601474 + ... + 47601497.

It is an arithmetic number, because the mean of its divisors is an integer number (222140268).

Almost surely, 2^1142435652 is an apocalyptic number.

1142435652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142435652 is an abundant number, since it is smaller than the sum of its proper divisors (1523247564).

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

1142435652 is a wasteful number, since it uses less digits than its factorization.

1142435652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95202978 (or 95202976 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 1142435652 is about 33799.9356804122. The cubic root of 1142435652 is about 1045.3873710203.

The spelling of 1142435652 in words is "one billion, one hundred forty-two million, four hundred thirty-five thousand, six hundred fifty-two".