103442454 has 64 divisors (see below), whose sum is σ = 246458880. Its totient is φ = 32076000.

The previous prime is 103442429. The next prime is 103442461. The reversal of 103442454 is 454244301.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44829 + ... + 47079.

It is an arithmetic number, because the mean of its divisors is an integer number (3850920).

Almost surely, 2^103442454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103442454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123229440).

103442454 is an abundant number, since it is smaller than the sum of its proper divisors (143016426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103442454 is a wasteful number, since it uses less digits than its factorization.

103442454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 103442454 is about 10170.6663498514. Note that the first 3 decimals coincide. The cubic root of 103442454 is about 469.4250612768.

Adding to 103442454 its reverse (454244301), we get a palindrome (557686755).

The spelling of 103442454 in words is "one hundred three million, four hundred forty-two thousand, four hundred fifty-four".