1142605251453 has 4 divisors (see below), whose sum is σ = 1523473668608. Its totient is φ = 761736834300.

The previous prime is 1142605251451. The next prime is 1142605251479. The reversal of 1142605251453 is 3541525062411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1142605251453 - 2¹ = 1142605251451 is a prime.

It is a super-2 number, since 2×1142605251453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142605251451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190434208573 + ... + 190434208578.

It is an arithmetic number, because the mean of its divisors is an integer number (380868417152).

Almost surely, 2^{1142605251453} is an apocalyptic number.

It is an amenable number.

1142605251453 is a deficient number, since it is larger than the sum of its proper divisors (380868417155).

1142605251453 is an equidigital number, since it uses as much as digits as its factorization.

1142605251453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380868417154.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 1142605251453 in words is "one trillion, one hundred forty-two billion, six hundred five million, two hundred fifty-one thousand, four hundred fifty-three".