1163450645 has 32 divisors (see below), whose sum is σ = 1659038976. Its totient is φ = 766656000.

The previous prime is 1163450627. The next prime is 1163450671. The reversal of 1163450645 is 5460543611.

It is not a de Polignac number, because 1163450645 - 2¹⁶ = 1163385109 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90095 + ... + 102195.

It is an arithmetic number, because the mean of its divisors is an integer number (51844968).

Almost surely, 2^1163450645 is an apocalyptic number.

It is an amenable number.

1163450645 is a deficient number, since it is larger than the sum of its proper divisors (495588331).

1163450645 is a wasteful number, since it uses less digits than its factorization.

1163450645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1163450645 is about 34109.3923282136. The cubic root of 1163450645 is about 1051.7583975459.

The spelling of 1163450645 in words is "one billion, one hundred sixty-three million, four hundred fifty thousand, six hundred forty-five".