1153430432 has 48 divisors (see below), whose sum is σ = 2831153472. Its totient is φ = 449387520.

The previous prime is 1153430419. The next prime is 1153430449. The reversal of 1153430432 is 2340343511.

It is a super-2 number, since 2×1153430432² = 2660803522927413248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231593 + ... + 236520.

It is an arithmetic number, because the mean of its divisors is an integer number (58982364).

Almost surely, 2^1153430432 is an apocalyptic number.

It is an amenable number.

1153430432 is an abundant number, since it is smaller than the sum of its proper divisors (1677723040).

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

1153430432 is a wasteful number, since it uses less digits than its factorization.

1153430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468141 (or 468133 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1153430432 is about 33962.1912131712. The cubic root of 1153430432 is about 1048.7302662258.

Adding to 1153430432 its reverse (2340343511), we get a palindrome (3493773943).

The spelling of 1153430432 in words is "one billion, one hundred fifty-three million, four hundred thirty thousand, four hundred thirty-two".