1145612342 has 16 divisors (see below), whose sum is σ = 1964371200. Its totient is φ = 490860648.

The previous prime is 1145612341. The next prime is 1145612399. The reversal of 1145612342 is 2432165411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145612341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80909 + ... + 94007.

It is an arithmetic number, because the mean of its divisors is an integer number (122773200).

Almost surely, 2^1145612342 is an apocalyptic number.

1145612342 is a deficient number, since it is larger than the sum of its proper divisors (818758858).

1145612342 is a wasteful number, since it uses less digits than its factorization.

1145612342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19355.

The product of its digits is 5760, while the sum is 29.

The square root of 1145612342 is about 33846.8956035853. The cubic root of 1145612342 is about 1046.3554192164.

Adding to 1145612342 its reverse (2432165411), we get a palindrome (3577777753).

The spelling of 1145612342 in words is "one billion, one hundred forty-five million, six hundred twelve thousand, three hundred forty-two".