1142235845253 has 12 divisors (see below), whose sum is σ = 1649905485228. Its totient is φ = 761486287680.

The previous prime is 1142235845239. The next prime is 1142235845281. The reversal of 1142235845253 is 3525485322411.

It is a happy number.

1142235845253 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 2 + 358 + 45 + 253 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1062882645444 + 79353199809 = 1030962^2 + 281697^2 .

It is not a de Polignac number, because 1142235845253 - 2⁶ = 1142235845189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142235845199 and 1142235845208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142235847253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2962801 + ... + 3326057.

It is an arithmetic number, because the mean of its divisors is an integer number (137492123769).

Almost surely, 2^{1142235845253} is an apocalyptic number.

It is an amenable number.

1142235845253 is a deficient number, since it is larger than the sum of its proper divisors (507669639975).

1142235845253 is a wasteful number, since it uses less digits than its factorization.

1142235845253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712644 (or 712641 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 1142235845253 in words is "one trillion, one hundred forty-two billion, two hundred thirty-five million, eight hundred forty-five thousand, two hundred fifty-three".