1442859101 has 4 divisors (see below), whose sum is σ = 1467314400. Its totient is φ = 1418403804.

The previous prime is 1442859091. The next prime is 1442859151. The reversal of 1442859101 is 1019582441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442859101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442859151) 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 3 ways as a sum of consecutive naturals, for example, 12227561 + ... + 12227678.

It is an arithmetic number, because the mean of its divisors is an integer number (366828600).

Almost surely, 2^1442859101 is an apocalyptic number.

It is an amenable number.

1442859101 is a deficient number, since it is larger than the sum of its proper divisors (24455299).

1442859101 is an equidigital number, since it uses as much as digits as its factorization.

1442859101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24455298.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1442859101 is about 37984.9852046832. The cubic root of 1442859101 is about 1129.9901064213.

The spelling of 1442859101 in words is "one billion, four hundred forty-two million, eight hundred fifty-nine thousand, one hundred one".