1442420203 has 12 divisors (see below), whose sum is σ = 1678579320. Its totient is φ = 1235872512.

The previous prime is 1442420201. The next prime is 1442420219. The reversal of 1442420203 is 3020242441.

It is a happy number.

It is not a de Polignac number, because 1442420203 - 2¹ = 1442420201 is a prime.

It is a super-2 number, since 2×1442420203² = 4161152084045122418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442420201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179275 + ... + 187147.

It is an arithmetic number, because the mean of its divisors is an integer number (139881610).

Almost surely, 2^1442420203 is an apocalyptic number.

1442420203 is a deficient number, since it is larger than the sum of its proper divisors (236159117).

1442420203 is an equidigital number, since it uses as much as digits as its factorization.

1442420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11626 (or 11619 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1442420203 is about 37979.2075088462. The cubic root of 1442420203 is about 1129.8755189579.

Adding to 1442420203 its reverse (3020242441), we get a palindrome (4462662644).

The spelling of 1442420203 in words is "one billion, four hundred forty-two million, four hundred twenty thousand, two hundred three".