1303153452 has 72 divisors (see below), whose sum is σ = 3348714096. Its totient is φ = 427229184.

The previous prime is 1303153451. The next prime is 1303153459. The reversal of 1303153452 is 2543513031.

1303153452 is a `hidden beast` number, since 1 + 3 + 0 + 315 + 345 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1303153451) 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, 767068 + ... + 768764.

It is an arithmetic number, because the mean of its divisors is an integer number (46509918).

Almost surely, 2^1303153452 is an apocalyptic number.

1303153452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303153452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674357048).

1303153452 is an abundant number, since it is smaller than the sum of its proper divisors (2045560644).

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

1303153452 is a wasteful number, since it uses less digits than its factorization.

1303153452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1303153452 is about 36099.2167782073. The cubic root of 1303153452 is about 1092.2746461302.

Adding to 1303153452 its reverse (2543513031), we get a palindrome (3846666483).

The spelling of 1303153452 in words is "one billion, three hundred three million, one hundred fifty-three thousand, four hundred fifty-two".