1153451436 has 48 divisors (see below), whose sum is σ = 2758694400. Its totient is φ = 374899392.

The previous prime is 1153451419. The next prime is 1153451443. The reversal of 1153451436 is 6341543511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1153451397 and 1153451406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369450 + ... + 372558.

It is an arithmetic number, because the mean of its divisors is an integer number (57472800).

Almost surely, 2^1153451436 is an apocalyptic number.

It is an amenable number.

1153451436 is an abundant number, since it is smaller than the sum of its proper divisors (1605242964).

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

1153451436 is a wasteful number, since it uses less digits than its factorization.

1153451436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3876 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 1153451436 is about 33962.5004379831. The cubic root of 1153451436 is about 1048.7366319896.

Adding to 1153451436 its reverse (6341543511), we get a palindrome (7494994947).

The spelling of 1153451436 in words is "one billion, one hundred fifty-three million, four hundred fifty-one thousand, four hundred thirty-six".