2153342541545 has 16 divisors (see below), whose sum is σ = 2786212494912. Its totient is φ = 1588199866560.

The previous prime is 2153342541529. The next prime is 2153342541577. The reversal of 2153342541545 is 5451452433512.

It is a happy number.

It is not a de Polignac number, because 2153342541545 - 2⁴ = 2153342541529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153342541496 and 2153342541505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20371667 + ... + 20477096.

It is an arithmetic number, because the mean of its divisors is an integer number (174138280932).

Almost surely, 2^{2153342541545} is an apocalyptic number.

It is an amenable number.

2153342541545 is a deficient number, since it is larger than the sum of its proper divisors (632869953367).

2153342541545 is a wasteful number, since it uses less digits than its factorization.

2153342541545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40849592.

The product of its digits is 1440000, while the sum is 44.

The spelling of 2153342541545 in words is "two trillion, one hundred fifty-three billion, three hundred forty-two million, five hundred forty-one thousand, five hundred forty-five".