1442453103 has 192 divisors, whose sum is σ = 2862892032. Its totient is φ = 705438720.

The previous prime is 1442453101. The next prime is 1442453107. The reversal of 1442453103 is 3013542441.

It is a happy number.

It is not a de Polignac number, because 1442453103 - 2¹ = 1442453101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442453101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33545400 + ... + 33545442.

It is an arithmetic number, because the mean of its divisors is an integer number (14910896).

Almost surely, 2^1442453103 is an apocalyptic number.

1442453103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442453103 is a deficient number, since it is larger than the sum of its proper divisors (1420438929).

1442453103 is a wasteful number, since it uses less digits than its factorization.

1442453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1442453103 is about 37979.6406381103. The cubic root of 1442453103 is about 1129.8841092938.

Adding to 1442453103 its reverse (3013542441), we get a palindrome (4455995544).

The spelling of 1442453103 in words is "one billion, four hundred forty-two million, four hundred fifty-three thousand, one hundred three".