1113145465 has 16 divisors (see below), whose sum is σ = 1415305872. Its totient is φ = 837566464.

The previous prime is 1113145463. The next prime is 1113145469. The reversal of 1113145465 is 5645413111.

It can be written as a sum of positive squares in 8 ways, for example, as 522729 + 1112622736 = 723^2 + 33356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113145465 - 2¹ = 1113145463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113145463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156057 + ... + 163033.

It is an arithmetic number, because the mean of its divisors is an integer number (88456617).

Almost surely, 2^1113145465 is an apocalyptic number.

It is an amenable number.

1113145465 is a deficient number, since it is larger than the sum of its proper divisors (302160407).

1113145465 is a wasteful number, since it uses less digits than its factorization.

1113145465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876.

The product of its digits is 7200, while the sum is 31.

The square root of 1113145465 is about 33363.8346866783. The cubic root of 1113145465 is about 1036.3759043091.

Adding to 1113145465 its reverse (5645413111), we get a palindrome (6758558576).

The spelling of 1113145465 in words is "one billion, one hundred thirteen million, one hundred forty-five thousand, four hundred sixty-five".