2145450333476 has 36 divisors (see below), whose sum is σ = 4069641665628. Its totient is φ = 988799275584.

The previous prime is 2145450333473. The next prime is 2145450333527. The reversal of 2145450333476 is 6743330545412.

It can be written as a sum of positive squares in 2 ways, for example, as 2039840932900 + 105609400576 = 1428230^2 + 324976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2145450333476.

It is not an unprimeable number, because it can be changed into a prime (2145450333473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20024531 + ... + 20131386.

It is an arithmetic number, because the mean of its divisors is an integer number (113045601823).

Almost surely, 2^{2145450333476} is an apocalyptic number.

It is an amenable number.

2145450333476 is a deficient number, since it is larger than the sum of its proper divisors (1924191332152).

2145450333476 is a wasteful number, since it uses less digits than its factorization.

2145450333476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40155996 (or 40155975 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 47.

Adding to 2145450333476 its reverse (6743330545412), we get a palindrome (8888780878888).

The spelling of 2145450333476 in words is "two trillion, one hundred forty-five billion, four hundred fifty million, three hundred thirty-three thousand, four hundred seventy-six".