1145252073 has 16 divisors (see below), whose sum is σ = 1847802240. Its totient is φ = 615933696.

The previous prime is 1145252071. The next prime is 1145252111. The reversal of 1145252073 is 3702525411.

It is not a de Polignac number, because 1145252073 - 2¹ = 1145252071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145252073.

It is not an unprimeable number, because it can be changed into a prime (1145252071) 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, 1603638 + ... + 1604351.

It is an arithmetic number, because the mean of its divisors is an integer number (115487640).

Almost surely, 2^1145252073 is an apocalyptic number.

It is an amenable number.

1145252073 is a deficient number, since it is larger than the sum of its proper divisors (702550167).

1145252073 is a wasteful number, since it uses less digits than its factorization.

1145252073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208016.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1145252073 is about 33841.5731460581. The cubic root of 1145252073 is about 1046.2457227307.

Adding to 1145252073 its reverse (3702525411), we get a palindrome (4847777484).

The spelling of 1145252073 in words is "one billion, one hundred forty-five million, two hundred fifty-two thousand, seventy-three".