1145423302 has 4 divisors (see below), whose sum is σ = 1718134956. Its totient is φ = 572711650.

The previous prime is 1145423269. The next prime is 1145423311. The reversal of 1145423302 is 2033245411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2033245411 = 43 ⋅47284777.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286355824 + ... + 286355827.

It is an arithmetic number, because the mean of its divisors is an integer number (429533739).

Almost surely, 2^1145423302 is an apocalyptic number.

1145423302 is a deficient number, since it is larger than the sum of its proper divisors (572711654).

1145423302 is an equidigital number, since it uses as much as digits as its factorization.

1145423302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572711653.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1145423302 is about 33844.1029132107. The cubic root of 1145423302 is about 1046.2978622511.

Adding to 1145423302 its reverse (2033245411), we get a palindrome (3178668713).

The spelling of 1145423302 in words is "one billion, one hundred forty-five million, four hundred twenty-three thousand, three hundred two".