1442520341 has 2 divisors, whose sum is σ = 1442520342. Its totient is φ = 1442520340.

The previous prime is 1442520307. The next prime is 1442520347. The reversal of 1442520341 is 1430252441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071187441 + 371332900 = 32729^2 + 19270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442520341 - 2¹⁰ = 1442519317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442520341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442520347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721260170 + 721260171.

It is an arithmetic number, because the mean of its divisors is an integer number (721260171).

Almost surely, 2^1442520341 is an apocalyptic number.

It is an amenable number.

1442520341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442520341 is an equidigital number, since it uses as much as digits as its factorization.

1442520341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1442520341 is about 37980.5258125793. The cubic root of 1442520341 is about 1129.9016650274.

Adding to 1442520341 its reverse (1430252441), we get a palindrome (2872772782).

The spelling of 1442520341 in words is "one billion, four hundred forty-two million, five hundred twenty thousand, three hundred forty-one".