2145489435050 has 48 divisors (see below), whose sum is σ = 4484431728000. Its totient is φ = 757738069440.

The previous prime is 2145489435049. The next prime is 2145489435101. The reversal of 2145489435050 is 505349845412.

It is a super-2 number, since 2×2145489435050² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 2145489435050.

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, 71740550 + ... + 71770449.

It is an arithmetic number, because the mean of its divisors is an integer number (93425661000).

Almost surely, 2^{2145489435050} is an apocalyptic number.

2145489435050 is an abundant number, since it is smaller than the sum of its proper divisors (2338942292950).

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

2145489435050 is a wasteful number, since it uses less digits than its factorization.

2145489435050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143511047 (or 143511042 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 2145489435050 in words is "two trillion, one hundred forty-five billion, four hundred eighty-nine million, four hundred thirty-five thousand, fifty".