1115432045 has 16 divisors (see below), whose sum is σ = 1647408000. Its totient is φ = 706031424.

The previous prime is 1115432041. The next prime is 1115432057. The reversal of 1115432045 is 5402345111.

It is not a de Polignac number, because 1115432045 - 2² = 1115432041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115432041) 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, 1225295 + ... + 1226204.

It is an arithmetic number, because the mean of its divisors is an integer number (102963000).

Almost surely, 2^1115432045 is an apocalyptic number.

It is an amenable number.

1115432045 is a deficient number, since it is larger than the sum of its proper divisors (531975955).

1115432045 is a wasteful number, since it uses less digits than its factorization.

1115432045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451524.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1115432045 is about 33398.0844510580. The cubic root of 1115432045 is about 1037.0850466205.

Adding to 1115432045 its reverse (5402345111), we get a palindrome (6517777156).

The spelling of 1115432045 in words is "one billion, one hundred fifteen million, four hundred thirty-two thousand, forty-five".