745046545665402 has 80 divisors (see below), whose sum is σ = 1681535182773600. Its totient is φ = 246552113152800.

The previous prime is 745046545665397. The next prime is 745046545665413. The reversal of 745046545665402 is 204566545640547.

745046545665402 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 4 + 65 + 4 + 566 + 5 + 4 + 0 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 745046545665402.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 562040277 + ... + 563364327.

It is an arithmetic number, because the mean of its divisors is an integer number (21019189784670).

Almost surely, 2^{745046545665402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745046545665402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840767591386800).

745046545665402 is an abundant number, since it is smaller than the sum of its proper divisors (936488637108198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745046545665402 is a wasteful number, since it uses less digits than its factorization.

745046545665402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349193 (or 1349184 counting only the distinct ones).

The product of its (nonzero) digits is 483840000, while the sum is 63.

The spelling of 745046545665402 in words is "seven hundred forty-five trillion, forty-six billion, five hundred forty-five million, six hundred sixty-five thousand, four hundred two".