1149553752 has 32 divisors (see below), whose sum is σ = 2889950400. Its totient is φ = 381042464.

The previous prime is 1149553673. The next prime is 1149553771. The reversal of 1149553752 is 2573559411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129498 + ... + 138089.

It is an arithmetic number, because the mean of its divisors is an integer number (90310950).

Almost surely, 2^1149553752 is an apocalyptic number.

1149553752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1149553752 is an abundant number, since it is smaller than the sum of its proper divisors (1740396648).

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

1149553752 is a wasteful number, since it uses less digits than its factorization.

1149553752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267775 (or 267771 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 1149553752 is about 33905.0697094107. The cubic root of 1149553752 is about 1047.5540198805.

The spelling of 1149553752 in words is "one billion, one hundred forty-nine million, five hundred fifty-three thousand, seven hundred fifty-two".