1145588623 has 8 divisors (see below), whose sum is σ = 1199719008. Its totient is φ = 1091818464.

The previous prime is 1145588617. The next prime is 1145588627. The reversal of 1145588623 is 3268855411.

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

It is not a de Polignac number, because 1145588623 - 2⁹ = 1145588111 is a prime.

It is a super-2 number, since 2×1145588623² = 2624746586294072258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145588623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145588627) 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, 83536 + ... + 96277.

It is an arithmetic number, because the mean of its divisors is an integer number (149964876).

Almost surely, 2^1145588623 is an apocalyptic number.

1145588623 is a deficient number, since it is larger than the sum of its proper divisors (54130385).

1145588623 is a wasteful number, since it uses less digits than its factorization.

1145588623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180113.

The product of its digits is 230400, while the sum is 43.

The square root of 1145588623 is about 33846.5452151324. The cubic root of 1145588623 is about 1046.3481978453.

The spelling of 1145588623 in words is "one billion, one hundred forty-five million, five hundred eighty-eight thousand, six hundred twenty-three".