1442150661 has 16 divisors (see below), whose sum is σ = 2211565184. Its totient is φ = 818835264.

The previous prime is 1442150569. The next prime is 1442150693. The reversal of 1442150661 is 1660512441.

It is not a de Polignac number, because 1442150661 - 2¹⁴ = 1442134277 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 (1442150561) 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 15 ways as a sum of consecutive naturals, for example, 215410 + ... + 222003.

It is an arithmetic number, because the mean of its divisors is an integer number (138222824).

Almost surely, 2^1442150661 is an apocalyptic number.

It is an amenable number.

1442150661 is a deficient number, since it is larger than the sum of its proper divisors (769414523).

1442150661 is a wasteful number, since it uses less digits than its factorization.

1442150661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437580.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1442150661 is about 37975.6587961289. The cubic root of 1442150661 is about 1129.8051354274.

The spelling of 1442150661 in words is "one billion, four hundred forty-two million, one hundred fifty thousand, six hundred sixty-one".