1451813232 has 80 divisors (see below), whose sum is σ = 3790471680. Its totient is φ = 478814976.

The previous prime is 1451813219. The next prime is 1451813263. The reversal of 1451813232 is 2323181541.

It is a super-2 number, since 2×1451813232² = 4215523321220571648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1451813232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980893 + ... + 2981379.

It is an arithmetic number, because the mean of its divisors is an integer number (47380896).

Almost surely, 2^1451813232 is an apocalyptic number.

1451813232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1451813232 is an abundant number, since it is smaller than the sum of its proper divisors (2338658448).

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

1451813232 is a wasteful number, since it uses less digits than its factorization.

1451813232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1024 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1451813232 is about 38102.6669932696. Note that the first 3 decimals coincide. The cubic root of 1451813232 is about 1132.3227945670.

Adding to 1451813232 its reverse (2323181541), we get a palindrome (3774994773).

The spelling of 1451813232 in words is "one billion, four hundred fifty-one million, eight hundred thirteen thousand, two hundred thirty-two".