1153455432 has 32 divisors (see below), whose sum is σ = 2884692480. Its totient is φ = 384344640.

The previous prime is 1153455431. The next prime is 1153455437. The reversal of 1153455432 is 2345543511.

It is a super-2 number, since 2×1153455432² = 2660918867220613248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1153455393 and 1153455402.

It is not an unprimeable number, because it can be changed into a prime (1153455431) 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, 74298 + ... + 88470.

It is an arithmetic number, because the mean of its divisors is an integer number (90146640).

Almost surely, 2^1153455432 is an apocalyptic number.

1153455432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1153455432 is an abundant number, since it is smaller than the sum of its proper divisors (1731237048).

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

1153455432 is a wasteful number, since it uses less digits than its factorization.

1153455432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17573 (or 17569 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 1153455432 is about 33962.5592675228. The cubic root of 1153455432 is about 1048.7378430640.

Adding to 1153455432 its reverse (2345543511), we get a palindrome (3498998943).

It can be divided in two parts, 11534 and 55432, that added together give a palindrome (66966).

The spelling of 1153455432 in words is "one billion, one hundred fifty-three million, four hundred fifty-five thousand, four hundred thirty-two".