1142007453 has 24 divisors (see below), whose sum is σ = 1763581248. Its totient is φ = 709587072.

The previous prime is 1142007439. The next prime is 1142007491. The reversal of 1142007453 is 3547002411.

1142007453 is a `hidden beast` number, since 1 + 1 + 4 + 200 + 7 + 453 = 666.

It is not a de Polignac number, because 1142007453 - 2⁸ = 1142007197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142007253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20475 + ... + 51992.

It is an arithmetic number, because the mean of its divisors is an integer number (73482552).

Almost surely, 2^1142007453 is an apocalyptic number.

It is an amenable number.

1142007453 is a deficient number, since it is larger than the sum of its proper divisors (621573795).

1142007453 is a wasteful number, since it uses less digits than its factorization.

1142007453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72593 (or 72590 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1142007453 is about 33793.6007699683. The cubic root of 1142007453 is about 1045.2567466641.

Adding to 1142007453 its reverse (3547002411), we get a palindrome (4689009864).

The spelling of 1142007453 in words is "one billion, one hundred forty-two million, seven thousand, four hundred fifty-three".