1045523007394 has 8 divisors (see below), whose sum is σ = 1589767860780. Its totient is φ = 515600387136.

The previous prime is 1045523007383. The next prime is 1045523007421. The reversal of 1045523007394 is 4937003255401.

1045523007394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 963862515225 + 81660492169 = 981765^2 + 285763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1045523007394.

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, 3580558099 + ... + 3580558390.

Almost surely, 2^{1045523007394} is an apocalyptic number.

1045523007394 is a deficient number, since it is larger than the sum of its proper divisors (544244853386).

1045523007394 is an equidigital number, since it uses as much as digits as its factorization.

1045523007394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161116564.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 1045523007394 in words is "one trillion, forty-five billion, five hundred twenty-three million, seven thousand, three hundred ninety-four".