1245742023284 has 24 divisors (see below), whose sum is σ = 2442511390368. Its totient is φ = 550942417440.

The previous prime is 1245742023259. The next prime is 1245742023289. The reversal of 1245742023284 is 4823202475421.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245742023289) 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 7 ways as a sum of consecutive naturals, for example, 382597274 + ... + 382600529.

It is an arithmetic number, because the mean of its divisors is an integer number (101771307932).

Almost surely, 2^{1245742023284} is an apocalyptic number.

It is an amenable number.

1245742023284 is a deficient number, since it is larger than the sum of its proper divisors (1196769367084).

1245742023284 is a wasteful number, since it uses less digits than its factorization.

1245742023284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765197855 (or 765197853 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 1245742023284 in words is "one trillion, two hundred forty-five billion, seven hundred forty-two million, twenty-three thousand, two hundred eighty-four".