1145615345 has 24 divisors (see below), whose sum is σ = 1609052544. Its totient is φ = 780718176.

The previous prime is 1145615327. The next prime is 1145615347. The reversal of 1145615345 is 5435165411.

It is not a de Polignac number, because 1145615345 - 2⁶ = 1145615281 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1145615347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25592 + ... + 54278.

It is an arithmetic number, because the mean of its divisors is an integer number (67043856).

Almost surely, 2^1145615345 is an apocalyptic number.

It is an amenable number.

1145615345 is a deficient number, since it is larger than the sum of its proper divisors (463437199).

1145615345 is a wasteful number, since it uses less digits than its factorization.

1145615345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28869 (or 28862 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 1145615345 is about 33846.9399650840. The cubic root of 1145615345 is about 1046.3563334880.

The spelling of 1145615345 in words is "one billion, one hundred forty-five million, six hundred fifteen thousand, three hundred forty-five".