2142450450 has 144 divisors (see below), whose sum is σ = 6924765120. Its totient is φ = 463916160.

The previous prime is 2142450433. The next prime is 2142450467. The reversal of 2142450450 is 540542412.

It is an interprime number because it is at equal distance from previous prime (2142450433) and next prime (2142450467).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 41952 + ... + 77748.

Almost surely, 2^2142450450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142450450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3462382560).

2142450450 is an abundant number, since it is smaller than the sum of its proper divisors (4782314670).

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

2142450450 is a wasteful number, since it uses less digits than its factorization.

2142450450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35841 (or 35833 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2142450450 is about 46286.6119952627. The cubic root of 2142450450 is about 1289.1504231158.

Adding to 2142450450 its reverse (540542412), we get a palindrome (2682992862).

It can be divided in two parts, 2142450 and 450, that multiplied together give a square (964102500 = 31050²).

The spelling of 2142450450 in words is "two billion, one hundred forty-two million, four hundred fifty thousand, four hundred fifty".