1442153701 has 4 divisors (see below), whose sum is σ = 1447765452. Its totient is φ = 1436541952.

The previous prime is 1442153689. The next prime is 1442153743. The reversal of 1442153701 is 1073512441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1073512441 = 1523 ⋅704867.

It can be written as a sum of positive squares in 2 ways, for example, as 1125669601 + 316484100 = 33551^2 + 17790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442153701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442153701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442153771) 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, 2805490 + ... + 2806003.

It is an arithmetic number, because the mean of its divisors is an integer number (361941363).

Almost surely, 2^1442153701 is an apocalyptic number.

It is an amenable number.

1442153701 is a deficient number, since it is larger than the sum of its proper divisors (5611751).

1442153701 is an equidigital number, since it uses as much as digits as its factorization.

1442153701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611750.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1442153701 is about 37975.6988217465. The cubic root of 1442153701 is about 1129.8059292892.

The spelling of 1442153701 in words is "one billion, four hundred forty-two million, one hundred fifty-three thousand, seven hundred one".