1145634623 has 8 divisors (see below), whose sum is σ = 1366222848. Its totient is φ = 939277944.

The previous prime is 1145634619. The next prime is 1145634643. The reversal of 1145634623 is 3264365411.

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 1145634623 - 2² = 1145634619 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 (1145634643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557711 + ... + 3558032.

It is an arithmetic number, because the mean of its divisors is an integer number (170777856).

Almost surely, 2^1145634623 is an apocalyptic number.

1145634623 is a deficient number, since it is larger than the sum of its proper divisors (220588225).

1145634623 is an equidigital number, since it uses as much as digits as its factorization.

1145634623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115773.

The product of its digits is 51840, while the sum is 35.

The square root of 1145634623 is about 33847.2247459079. The cubic root of 1145634623 is about 1046.3622026902.

The spelling of 1145634623 in words is "one billion, one hundred forty-five million, six hundred thirty-four thousand, six hundred twenty-three".