1142355453 has 8 divisors (see below), whose sum is σ = 1523502816. Its totient is φ = 761389200.

The previous prime is 1142355451. The next prime is 1142355469. The reversal of 1142355453 is 3545532411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142355453 - 2¹ = 1142355451 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142355451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29803 + ... + 56328.

It is an arithmetic number, because the mean of its divisors is an integer number (190437852).

Almost surely, 2^1142355453 is an apocalyptic number.

It is an amenable number.

1142355453 is a deficient number, since it is larger than the sum of its proper divisors (381147363).

1142355453 is an equidigital number, since it uses as much as digits as its factorization.

1142355453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90555.

The product of its digits is 36000, while the sum is 33.

The square root of 1142355453 is about 33798.7492815932. The cubic root of 1142355453 is about 1045.3629083781.

Adding to 1142355453 its reverse (3545532411), we get a palindrome (4687887864).

The spelling of 1142355453 in words is "one billion, one hundred forty-two million, three hundred fifty-five thousand, four hundred fifty-three".