1145425553 has 8 divisors (see below), whose sum is σ = 1211601408. Its totient is φ = 1080614304.

The previous prime is 1145425531. The next prime is 1145425601. The reversal of 1145425553 is 3555245411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145425553 - 2²⁴ = 1128648337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145425513) 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 7 ways as a sum of consecutive naturals, for example, 339425 + ... + 342782.

It is an arithmetic number, because the mean of its divisors is an integer number (151450176).

Almost surely, 2^1145425553 is an apocalyptic number.

It is an amenable number.

1145425553 is a deficient number, since it is larger than the sum of its proper divisors (66175855).

1145425553 is an equidigital number, since it uses as much as digits as its factorization.

1145425553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682303.

The product of its digits is 60000, while the sum is 35.

The square root of 1145425553 is about 33844.1361686186. The cubic root of 1145425553 is about 1046.2985476498.

The spelling of 1145425553 in words is "one billion, one hundred forty-five million, four hundred twenty-five thousand, five hundred fifty-three".