1142474747285 has 4 divisors (see below), whose sum is σ = 1370969696748. Its totient is φ = 913979797824.

The previous prime is 1142474747243. The next prime is 1142474747303. The reversal of 1142474747285 is 5827474742411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 460712422564 + 681762324721 = 678758^2 + 825689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142474747285 - 2⁶ = 1142474747221 is a prime.

It is a super-2 number, since 2×1142474747285² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142474747285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114247474724 + ... + 114247474733.

It is an arithmetic number, because the mean of its divisors is an integer number (342742424187).

Almost surely, 2^{1142474747285} is an apocalyptic number.

It is an amenable number.

1142474747285 is a deficient number, since it is larger than the sum of its proper divisors (228494949463).

1142474747285 is an equidigital number, since it uses as much as digits as its factorization.

1142474747285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228494949462.

The product of its digits is 14049280, while the sum is 56.

The spelling of 1142474747285 in words is "one trillion, one hundred forty-two billion, four hundred seventy-four million, seven hundred forty-seven thousand, two hundred eighty-five".