2145489436050 has 48 divisors (see below), whose sum is σ = 5347551633600. Its totient is φ = 569255480640.

The previous prime is 2145489436049. The next prime is 2145489436091. The reversal of 2145489436050 is 506349845412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2145489435984 and 2145489436002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35907997 + ... + 35967696.

It is an arithmetic number, because the mean of its divisors is an integer number (111407325700).

Almost surely, 2^{2145489436050} is an apocalyptic number.

2145489436050 is an abundant number, since it is smaller than the sum of its proper divisors (3202062197550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145489436050 is a wasteful number, since it uses less digits than its factorization.

2145489436050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71875907 (or 71875902 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 2145489436050 in words is "two trillion, one hundred forty-five billion, four hundred eighty-nine million, four hundred thirty-six thousand, fifty".