103440442 has 8 divisors (see below), whose sum is σ = 177326496. Its totient is φ = 44331612.

The previous prime is 103440439. The next prime is 103440451. The reversal of 103440442 is 244044301.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3694288 + ... + 3694315.

It is an arithmetic number, because the mean of its divisors is an integer number (22165812).

Almost surely, 2^103440442 is an apocalyptic number.

103440442 is a deficient number, since it is larger than the sum of its proper divisors (73886054).

103440442 is an equidigital number, since it uses as much as digits as its factorization.

103440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388612.

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

The square root of 103440442 is about 10170.5674374639. The cubic root of 103440442 is about 469.4220177510.

Adding to 103440442 its reverse (244044301), we get a palindrome (347484743).

The spelling of 103440442 in words is "one hundred three million, four hundred forty thousand, four hundred forty-two".