2145045520350 has 216 divisors, whose sum is σ = 6108515404992. Its totient is φ = 539570937600.

The previous prime is 2145045520337. The next prime is 2145045520357. The reversal of 2145045520350 is 530255405412.

2145045520350 is a `hidden beast` number, since 2 + 1 + 4 + 50 + 4 + 552 + 0 + 3 + 50 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145045520357) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 37822515 + ... + 37879185.

It is an arithmetic number, because the mean of its divisors is an integer number (28280163912).

Almost surely, 2^{2145045520350} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145045520350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054257702496).

2145045520350 is an abundant number, since it is smaller than the sum of its proper divisors (3963469884642).

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

2145045520350 is a wasteful number, since it uses less digits than its factorization.

2145045520350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56960 (or 56933 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 2145045520350 in words is "two trillion, one hundred forty-five billion, forty-five million, five hundred twenty thousand, three hundred fifty".