2145464454535 has 64 divisors (see below), whose sum is σ = 2725026480000. Its totient is φ = 1619199590400.

The previous prime is 2145464454517. The next prime is 2145464454619. The reversal of 2145464454535 is 5354544645412.

It is a happy number.

It is not a de Polignac number, because 2145464454535 - 2⁵ = 2145464454503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1063689847 + ... + 1063691863.

It is an arithmetic number, because the mean of its divisors is an integer number (42578538750).

Almost surely, 2^{2145464454535} is an apocalyptic number.

2145464454535 is a deficient number, since it is larger than the sum of its proper divisors (579562025465).

2145464454535 is a wasteful number, since it uses less digits than its factorization.

2145464454535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852.

The product of its digits is 23040000, while the sum is 52.

The spelling of 2145464454535 in words is "two trillion, one hundred forty-five billion, four hundred sixty-four million, four hundred fifty-four thousand, five hundred thirty-five".