2153444236145 has 8 divisors (see below), whose sum is σ = 2644229201856. Its totient is φ = 1682691309936.

The previous prime is 2153444236129. The next prime is 2153444236211. The reversal of 2153444236145 is 5416324443512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2153444236145 - 2⁴ = 2153444236129 is a prime.

It is a super-2 number, since 2×2153444236145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153444236096 and 2153444236105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008009637 + ... + 5008010066.

It is an arithmetic number, because the mean of its divisors is an integer number (330528650232).

Almost surely, 2^{2153444236145} is an apocalyptic number.

It is an amenable number.

2153444236145 is a deficient number, since it is larger than the sum of its proper divisors (490784965711).

2153444236145 is a wasteful number, since it uses less digits than its factorization.

2153444236145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016019751.

The product of its digits is 1382400, while the sum is 44.

Adding to 2153444236145 its reverse (5416324443512), we get a palindrome (7569768679657).

The spelling of 2153444236145 in words is "two trillion, one hundred fifty-three billion, four hundred forty-four million, two hundred thirty-six thousand, one hundred forty-five".