1451653232 has 40 divisors (see below), whose sum is σ = 2914367040. Its totient is φ = 699641600.

The previous prime is 1451653193. The next prime is 1451653237. The reversal of 1451653232 is 2323561541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451653237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323033 + ... + 327495.

It is an arithmetic number, because the mean of its divisors is an integer number (72859176).

Almost surely, 2^1451653232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451653232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457183520).

1451653232 is an abundant number, since it is smaller than the sum of its proper divisors (1462713808).

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

1451653232 is a wasteful number, since it uses less digits than its factorization.

1451653232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201 (or 5195 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 1451653232 is about 38100.5673448572. The cubic root of 1451653232 is about 1132.2811964011.

The spelling of 1451653232 in words is "one billion, four hundred fifty-one million, six hundred fifty-three thousand, two hundred thirty-two".