1045545344550 has 96 divisors (see below), whose sum is σ = 3292638067200. Its totient is φ = 238981790880.

The previous prime is 1045545344539. The next prime is 1045545344561. The reversal of 1045545344550 is 554435455401.

1045545344550 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 5 + 4 + 53 + 44 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (1045545344539) and next prime (1045545344561).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1045545344496 and 1045545344505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55310410 + ... + 55329309.

It is an arithmetic number, because the mean of its divisors is an integer number (34298313200).

Almost surely, 2^{1045545344550} is an apocalyptic number.

1045545344550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045545344550 is an abundant number, since it is smaller than the sum of its proper divisors (2247092722650).

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

1045545344550 is a wasteful number, since it uses less digits than its factorization.

1045545344550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110639747 (or 110639736 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 1045545344550 in words is "one trillion, forty-five billion, five hundred forty-five million, three hundred forty-four thousand, five hundred fifty".