2153326445 has 8 divisors (see below), whose sum is σ = 2588536440. Its totient is φ = 1719631360.

The previous prime is 2153326421. The next prime is 2153326451. The reversal of 2153326445 is 5446233512.

It can be written as a sum of positive squares in 4 ways, for example, as 50737129 + 2102589316 = 7123^2 + 45854^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2153326445 is a prime.

It is a congruent number.

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, 375596 + ... + 381285.

It is an arithmetic number, because the mean of its divisors is an integer number (323567055).

Almost surely, 2^2153326445 is an apocalyptic number.

It is an amenable number.

2153326445 is a deficient number, since it is larger than the sum of its proper divisors (435209995).

2153326445 is an equidigital number, since it uses as much as digits as its factorization.

2153326445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757455.

The product of its digits is 86400, while the sum is 35.

The square root of 2153326445 is about 46403.9485927652. The cubic root of 2153326445 is about 1291.3281685504.

Adding to 2153326445 its reverse (5446233512), we get a palindrome (7599559957).

The spelling of 2153326445 in words is "two billion, one hundred fifty-three million, three hundred twenty-six thousand, four hundred forty-five".