1442405201 has 4 divisors (see below), whose sum is σ = 1475949552. Its totient is φ = 1408860852.

The previous prime is 1442405191. The next prime is 1442405221. The reversal of 1442405201 is 1025042441.

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 not a de Polignac number, because 1442405201 - 2¹⁸ = 1442143057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442405221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16772111 + ... + 16772196.

It is an arithmetic number, because the mean of its divisors is an integer number (368987388).

Almost surely, 2^1442405201 is an apocalyptic number.

It is an amenable number.

1442405201 is a deficient number, since it is larger than the sum of its proper divisors (33544351).

1442405201 is an equidigital number, since it uses as much as digits as its factorization.

1442405201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33544350.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1442405201 is about 37979.0100055281. The cubic root of 1442405201 is about 1129.8716018258.

Adding to 1442405201 its reverse (1025042441), we get a palindrome (2467447642).

The spelling of 1442405201 in words is "one billion, four hundred forty-two million, four hundred five thousand, two hundred one".