2345451442 has 4 divisors (see below), whose sum is σ = 3518177166. Its totient is φ = 1172725720.

The previous prime is 2345451439. The next prime is 2345451487. The reversal of 2345451442 is 2441545432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2341495321 + 3956121 = 48389^2 + 1989^2 .

It is a super-2 number, since 2×2345451442² = 11002284933559758728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2345451398 and 2345451407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586362859 + ... + 586362862.

Almost surely, 2^2345451442 is an apocalyptic number.

2345451442 is a deficient number, since it is larger than the sum of its proper divisors (1172725724).

2345451442 is a wasteful number, since it uses less digits than its factorization.

2345451442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172725723.

The product of its digits is 76800, while the sum is 34.

The square root of 2345451442 is about 48429.8610569966. The cubic root of 2345451442 is about 1328.6445651814.

Adding to 2345451442 its reverse (2441545432), we get a palindrome (4786996874).

The spelling of 2345451442 in words is "two billion, three hundred forty-five million, four hundred fifty-one thousand, four hundred forty-two".