1153446434 has 16 divisors (see below), whose sum is σ = 1978121088. Its totient is φ = 494138112.

The previous prime is 1153446431. The next prime is 1153446443. The reversal of 1153446434 is 4346443511.

It is a super-4 number, since 4×1153446434⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1153446394 and 1153446403.

It is not an unprimeable number, because it can be changed into a prime (1153446431) 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, 23579 + ... + 53505.

It is an arithmetic number, because the mean of its divisors is an integer number (123632568).

Almost surely, 2^1153446434 is an apocalyptic number.

1153446434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1153446434 is a deficient number, since it is larger than the sum of its proper divisors (824674654).

1153446434 is a wasteful number, since it uses less digits than its factorization.

1153446434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32689.

The product of its digits is 69120, while the sum is 35.

The square root of 1153446434 is about 33962.4267978600. The cubic root of 1153446434 is about 1048.7351160210.

Adding to 1153446434 its reverse (4346443511), we get a palindrome (5499889945).

The spelling of 1153446434 in words is "one billion, one hundred fifty-three million, four hundred forty-six thousand, four hundred thirty-four".