1146553525 has 24 divisors (see below), whose sum is σ = 1621161864. Its totient is φ = 796876800.

The previous prime is 1146553523. The next prime is 1146553567. The reversal of 1146553525 is 5253556411.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 321198084 + 825355441 = 17922^2 + 28729^2 .

It is not a de Polignac number, because 1146553525 - 2¹ = 1146553523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146553523) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 98236 + ... + 109285.

It is an arithmetic number, because the mean of its divisors is an integer number (67548411).

Almost surely, 2^1146553525 is an apocalyptic number.

It is an amenable number.

1146553525 is a deficient number, since it is larger than the sum of its proper divisors (474608339).

1146553525 is a wasteful number, since it uses less digits than its factorization.

1146553525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207561 (or 207556 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 1146553525 is about 33860.7962841986. The cubic root of 1146553525 is about 1046.6418867899.

The spelling of 1146553525 in words is "one billion, one hundred forty-six million, five hundred fifty-three thousand, five hundred twenty-five".