1442042461 has 2 divisors, whose sum is σ = 1442042462. Its totient is φ = 1442042460.

The previous prime is 1442042419. The next prime is 1442042471. The reversal of 1442042461 is 1642402441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400181561 + 41860900 = 37419^2 + 6470^2 .

It is an emirp because it is prime and its reverse (1642402441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442042461 - 2¹⁹ = 1441518173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442042401) by changing a digit.

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, 721021230 + 721021231.

It is an arithmetic number, because the mean of its divisors is an integer number (721021231).

Almost surely, 2^1442042461 is an apocalyptic number.

It is an amenable number.

1442042461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442042461 is an equidigital number, since it uses as much as digits as its factorization.

1442042461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 1442042461 is about 37974.2341726598. The cubic root of 1442042461 is about 1129.7768794861.

The spelling of 1442042461 in words is "one billion, four hundred forty-two million, forty-two thousand, four hundred sixty-one".