7842745152045 has 24 divisors (see below), whose sum is σ = 13701131698176. Its totient is φ = 4149861998688.

The previous prime is 7842745152041. The next prime is 7842745152059. The reversal of 7842745152045 is 5402515472487.

7842745152045 is a `hidden beast` number, since 7 + 8 + 4 + 2 + 74 + 5 + 1 + 520 + 45 = 666.

It is not a de Polignac number, because 7842745152045 - 2² = 7842745152041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7842745151982 and 7842745152000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842745152041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686148717 + ... + 686160146.

It is an arithmetic number, because the mean of its divisors is an integer number (570880487424).

Almost surely, 2^{7842745152045} is an apocalyptic number.

It is an amenable number.

7842745152045 is a deficient number, since it is larger than the sum of its proper divisors (5858386546131).

7842745152045 is a wasteful number, since it uses less digits than its factorization.

7842745152045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372309001 (or 1372308998 counting only the distinct ones).

The product of its (nonzero) digits is 12544000, while the sum is 54.

The spelling of 7842745152045 in words is "seven trillion, eight hundred forty-two billion, seven hundred forty-five million, one hundred fifty-two thousand, forty-five".