1154355564 has 24 divisors (see below), whose sum is σ = 2835259840. Its totient is φ = 364533264.

The previous prime is 1154355523. The next prime is 1154355571. The reversal of 1154355564 is 4655534511.

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 in 7 ways as a sum of consecutive naturals, for example, 2531254 + ... + 2531709.

Almost surely, 2^1154355564 is an apocalyptic number.

It is an amenable number.

1154355564 is an abundant number, since it is smaller than the sum of its proper divisors (1680904276).

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

1154355564 is a wasteful number, since it uses less digits than its factorization.

1154355564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062989 (or 5062987 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 1154355564 is about 33975.8085113511. The cubic root of 1154355564 is about 1049.0105763408.

The spelling of 1154355564 in words is "one billion, one hundred fifty-four million, three hundred fifty-five thousand, five hundred sixty-four".