1145624555 has 8 divisors (see below), whose sum is σ = 1422154800. Its totient is φ = 884896096.

The previous prime is 1145624539. The next prime is 1145624567. The reversal of 1145624555 is 5554265411.

1145624555 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1145624555 - 2⁴ = 1145624539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950285 + ... + 3950574.

It is an arithmetic number, because the mean of its divisors is an integer number (177769350).

Almost surely, 2^1145624555 is an apocalyptic number.

1145624555 is a deficient number, since it is larger than the sum of its proper divisors (276530245).

1145624555 is an equidigital number, since it uses as much as digits as its factorization.

1145624555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900893.

The product of its digits is 120000, while the sum is 38.

The square root of 1145624555 is about 33847.0760184687. The cubic root of 1145624555 is about 1046.3591374879.

Adding to 1145624555 its reverse (5554265411), we get a palindrome (6699889966).

The spelling of 1145624555 in words is "one billion, one hundred forty-five million, six hundred twenty-four thousand, five hundred fifty-five".