7455507421143 has 16 divisors (see below), whose sum is σ = 10029249095040. Its totient is φ = 4926173849376.

The previous prime is 7455507421111. The next prime is 7455507421163. The reversal of 7455507421143 is 3411247055547.

It is a happy number.

It is not a de Polignac number, because 7455507421143 - 2⁵ = 7455507421111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7455507421092 and 7455507421101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7455507421163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14984280 + ... + 15473837.

It is an arithmetic number, because the mean of its divisors is an integer number (626828068440).

Almost surely, 2^{7455507421143} is an apocalyptic number.

7455507421143 is a deficient number, since it is larger than the sum of its proper divisors (2573741673897).

7455507421143 is a wasteful number, since it uses less digits than its factorization.

7455507421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30458846.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 7455507421143 in words is "seven trillion, four hundred fifty-five billion, five hundred seven million, four hundred twenty-one thousand, one hundred forty-three".