1142545635 has 64 divisors (see below), whose sum is σ = 2532418560. Its totient is φ = 474819840.

The previous prime is 1142545619. The next prime is 1142545643. The reversal of 1142545635 is 5365452411.

1142545635 is a `hidden beast` number, since 1 + 1 + 42 + 54 + 563 + 5 = 666.

1142545635 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1142545635 - 2⁴ = 1142545619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142545635.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44562 + ... + 65351.

It is an arithmetic number, because the mean of its divisors is an integer number (39569040).

Almost surely, 2^1142545635 is an apocalyptic number.

1142545635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142545635 is an abundant number, since it is smaller than the sum of its proper divisors (1389872925).

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

1142545635 is a wasteful number, since it uses less digits than its factorization.

1142545635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109945 (or 109939 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1142545635 is about 33801.5626118083. The cubic root of 1142545635 is about 1045.4209166441.

The spelling of 1142545635 in words is "one billion, one hundred forty-two million, five hundred forty-five thousand, six hundred thirty-five".