45143666443450 has 48 divisors (see below), whose sum is σ = 85755511296000. Its totient is φ = 17672903443520.

The previous prime is 45143666443439. The next prime is 45143666443537. The reversal of 45143666443450 is 5434466634154.

It is a junction number, because it is equal to n+sod(n) for n = 45143666443391 and 45143666443400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134188551 + ... + 134524549.

It is an arithmetic number, because the mean of its divisors is an integer number (1786573152000).

Almost surely, 2^{45143666443450} is an apocalyptic number.

45143666443450 is a deficient number, since it is larger than the sum of its proper divisors (40611844852550).

45143666443450 is a wasteful number, since it uses less digits than its factorization.

45143666443450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393231 (or 393226 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 45143666443450 in words is "forty-five trillion, one hundred forty-three billion, six hundred sixty-six million, four hundred forty-three thousand, four hundred fifty".