2152303450 has 48 divisors (see below), whose sum is σ = 4409735616. Its totient is φ = 775036800.

The previous prime is 2152303379. The next prime is 2152303459. The reversal of 2152303450 is 543032512.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2152303459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37654 + ... + 75646.

It is an arithmetic number, because the mean of its divisors is an integer number (91869492).

Almost surely, 2^2152303450 is an apocalyptic number.

2152303450 is an abundant number, since it is smaller than the sum of its proper divisors (2257432166).

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

2152303450 is a wasteful number, since it uses less digits than its factorization.

2152303450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38119 (or 38114 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2152303450 is about 46392.9245683003. The cubic root of 2152303450 is about 1291.1236428945.

Adding to 2152303450 its reverse (543032512), we get a palindrome (2695335962).

The spelling of 2152303450 in words is "two billion, one hundred fifty-two million, three hundred three thousand, four hundred fifty".