1045453145615 has 4 divisors (see below), whose sum is σ = 1254543774744. Its totient is φ = 836362516488.

The previous prime is 1045453145609. The next prime is 1045453145623. The reversal of 1045453145615 is 5165413545401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045453145615 - 2¹⁰ = 1045453144591 is a prime.

It is a Duffinian number.

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, 104545314557 + ... + 104545314566.

It is an arithmetic number, because the mean of its divisors is an integer number (313635943686).

Almost surely, 2^{1045453145615} is an apocalyptic number.

1045453145615 is a deficient number, since it is larger than the sum of its proper divisors (209090629129).

1045453145615 is an equidigital number, since it uses as much as digits as its factorization.

1045453145615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209090629128.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 1045453145615 in words is "one trillion, forty-five billion, four hundred fifty-three million, one hundred forty-five thousand, six hundred fifteen".