1648324545 has 64 divisors (see below), whose sum is σ = 3109625856. Its totient is φ = 729964800.

The previous prime is 1648324523. The next prime is 1648324567. The reversal of 1648324545 is 5454238461.

It is an interprime number because it is at equal distance from previous prime (1648324523) and next prime (1648324567).

It is not a de Polignac number, because 1648324545 - 2¹¹ = 1648322497 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1648324497 and 1648324506.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 496782 + ... + 500088.

It is an arithmetic number, because the mean of its divisors is an integer number (48587904).

Almost surely, 2^1648324545 is an apocalyptic number.

1648324545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1648324545 is a deficient number, since it is larger than the sum of its proper divisors (1461301311).

1648324545 is a wasteful number, since it uses less digits than its factorization.

1648324545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470.

The product of its digits is 460800, while the sum is 42.

The square root of 1648324545 is about 40599.5633597210. The cubic root of 1648324545 is about 1181.2656498025.

The spelling of 1648324545 in words is "one billion, six hundred forty-eight million, three hundred twenty-four thousand, five hundred forty-five".