1450421250 has 80 divisors (see below), whose sum is σ = 3637085760. Its totient is φ = 385480000.

The previous prime is 1450421233. The next prime is 1450421263. The reversal of 1450421250 is 521240541.

It is a self number, because there is not a number n which added to its sum of digits gives 1450421250.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1728331 + ... + 1729169.

It is an arithmetic number, because the mean of its divisors is an integer number (45463572).

Almost surely, 2^1450421250 is an apocalyptic number.

1450421250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1450421250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818542880).

1450421250 is an abundant number, since it is smaller than the sum of its proper divisors (2186664510).

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

1450421250 is an equidigital number, since it uses as much as digits as its factorization.

1450421250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1450421250 is about 38084.3964111288. The cubic root of 1450421250 is about 1131.9607927794.

Adding to 1450421250 its reverse (521240541), we get a palindrome (1971661791).

The spelling of 1450421250 in words is "one billion, four hundred fifty million, four hundred twenty-one thousand, two hundred fifty".