103443442 has 4 divisors (see below), whose sum is σ = 155165166. Its totient is φ = 51721720.

The previous prime is 103443433. The next prime is 103443463. The reversal of 103443442 is 244344301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244344301 = 937 ⋅260773.

It can be written as a sum of positive squares in only one way, i.e., 54597321 + 48846121 = 7389^2 + 6989^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25860859 + ... + 25860862.

Almost surely, 2^103443442 is an apocalyptic number.

103443442 is a deficient number, since it is larger than the sum of its proper divisors (51721724).

103443442 is an equidigital number, since it uses as much as digits as its factorization.

103443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51721723.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 103443442 is about 10170.7149207910. The cubic root of 103443442 is about 469.4265557969.

Adding to 103443442 its reverse (244344301), we get a palindrome (347787743).

The spelling of 103443442 in words is "one hundred three million, four hundred forty-three thousand, four hundred forty-two".