1154663264 has 12 divisors (see below), whose sum is σ = 2273243364. Its totient is φ = 577331616.

The previous prime is 1154663261. The next prime is 1154663287. The reversal of 1154663264 is 4623664511.

It is a super-2 number, since 2×1154663264² = 2666494506462267392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154663261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18041582 + ... + 18041645.

It is an arithmetic number, because the mean of its divisors is an integer number (189436947).

Almost surely, 2^1154663264 is an apocalyptic number.

It is an amenable number.

1154663264 is a deficient number, since it is larger than the sum of its proper divisors (1118580100).

1154663264 is an equidigital number, since it uses as much as digits as its factorization.

1154663264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36083237 (or 36083229 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 1154663264 is about 33980.3364315305. The cubic root of 1154663264 is about 1049.1037746265.

The spelling of 1154663264 in words is "one billion, one hundred fifty-four million, six hundred sixty-three thousand, two hundred sixty-four".