2145414450 has 96 divisors (see below), whose sum is σ = 5930245440. Its totient is φ = 510105600.

The previous prime is 2145414443. The next prime is 2145414533. The reversal of 2145414450 is 544145412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26310 + ... + 70590.

It is an arithmetic number, because the mean of its divisors is an integer number (61773390).

Almost surely, 2^2145414450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145414450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965122720).

2145414450 is an abundant number, since it is smaller than the sum of its proper divisors (3784830990).

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

2145414450 is a wasteful number, since it uses less digits than its factorization.

2145414450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44332 (or 44327 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 2145414450 is about 46318.6188265583. The cubic root of 2145414450 is about 1289.7446462895.

Adding to 2145414450 its reverse (544145412), we get a palindrome (2689559862).

The spelling of 2145414450 in words is "two billion, one hundred forty-five million, four hundred fourteen thousand, four hundred fifty".