1145321422 has 16 divisors (see below), whose sum is σ = 1964004480. Its totient is φ = 490702968.

The previous prime is 1145321413. The next prime is 1145321423. The reversal of 1145321422 is 2241235411.

It is a super-2 number, since 2×1145321422² = 2623522319384204168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145321423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44229 + ... + 65167.

It is an arithmetic number, because the mean of its divisors is an integer number (122750280).

Almost surely, 2^1145321422 is an apocalyptic number.

1145321422 is a deficient number, since it is larger than the sum of its proper divisors (818683058).

1145321422 is a wasteful number, since it uses less digits than its factorization.

1145321422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24855.

The product of its digits is 1920, while the sum is 25.

The square root of 1145321422 is about 33842.5977430811. The cubic root of 1145321422 is about 1046.2668402448.

Adding to 1145321422 its reverse (2241235411), we get a palindrome (3386556833).

The spelling of 1145321422 in words is "one billion, one hundred forty-five million, three hundred twenty-one thousand, four hundred twenty-two".