1442345351 has 4 divisors (see below), whose sum is σ = 1443555552. Its totient is φ = 1441135152.

The previous prime is 1442345327. The next prime is 1442345383. The reversal of 1442345351 is 1535432441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1535432441 = 211 ⋅7276931.

It is a cyclic number.

It is not a de Polignac number, because 1442345351 - 2¹⁸ = 1442083207 is a prime.

It is a super-2 number, since 2×1442345351² = 4160720223102626402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442345321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603311 + ... + 605696.

It is an arithmetic number, because the mean of its divisors is an integer number (360888888).

Almost surely, 2^1442345351 is an apocalyptic number.

1442345351 is a deficient number, since it is larger than the sum of its proper divisors (1210201).

1442345351 is a wasteful number, since it uses less digits than its factorization.

1442345351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210200.

The product of its digits is 28800, while the sum is 32.

The square root of 1442345351 is about 37978.2220621240. Note that the first 3 decimals coincide. The cubic root of 1442345351 is about 1129.8559742822.

Adding to 1442345351 its reverse (1535432441), we get a palindrome (2977777792).

The spelling of 1442345351 in words is "one billion, four hundred forty-two million, three hundred forty-five thousand, three hundred fifty-one".