1154265928 has 8 divisors (see below), whose sum is σ = 2164248630. Its totient is φ = 577132960.

The previous prime is 1154265901. The next prime is 1154265947. The reversal of 1154265928 is 8295624511.

It can be written as a sum of positive squares in only one way, i.e., 615933124 + 538332804 = 24818^2 + 23202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72141613 + ... + 72141628.

Almost surely, 2^1154265928 is an apocalyptic number.

It is an amenable number.

1154265928 is a deficient number, since it is larger than the sum of its proper divisors (1009982702).

1154265928 is a wasteful number, since it uses less digits than its factorization.

1154265928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144283247 (or 144283243 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 1154265928 is about 33974.4893707028. The cubic root of 1154265928 is about 1048.9834236596.

The spelling of 1154265928 in words is "one billion, one hundred fifty-four million, two hundred sixty-five thousand, nine hundred twenty-eight".