1154464643 has 12 divisors (see below), whose sum is σ = 1230526368. Its totient is φ = 1082840400.

The previous prime is 1154464637. The next prime is 1154464651. The reversal of 1154464643 is 3464644511.

It is not a de Polignac number, because 1154464643 - 2⁴ = 1154464627 is a prime.

It is a super-2 number, since 2×1154464643² = 2665577223874234898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154464597 and 1154464606.

It is not an unprimeable number, because it can be changed into a prime (1154464673) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20630 + ... + 52292.

It is an arithmetic number, because the mean of its divisors is an integer number (102543864).

Almost surely, 2^1154464643 is an apocalyptic number.

1154464643 is a deficient number, since it is larger than the sum of its proper divisors (76061725).

1154464643 is a wasteful number, since it uses less digits than its factorization.

1154464643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31802 (or 31783 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 1154464643 is about 33977.4137185278. The cubic root of 1154464643 is about 1049.0436168309.

The spelling of 1154464643 in words is "one billion, one hundred fifty-four million, four hundred sixty-four thousand, six hundred forty-three".