1154722648 has 16 divisors (see below), whose sum is σ = 2167245000. Its totient is φ = 576790656.

The previous prime is 1154722631. The next prime is 1154722661. The reversal of 1154722648 is 8462274511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154722648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62673 + ... + 78976.

Almost surely, 2^1154722648 is an apocalyptic number.

It is an amenable number.

1154722648 is a deficient number, since it is larger than the sum of its proper divisors (1012522352).

1154722648 is a wasteful number, since it uses less digits than its factorization.

1154722648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142674 (or 142670 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 1154722648 is about 33981.2102197670. The cubic root of 1154722648 is about 1049.1217593534.

The spelling of 1154722648 in words is "one billion, one hundred fifty-four million, seven hundred twenty-two thousand, six hundred forty-eight".