103555442 has 4 divisors (see below), whose sum is σ = 155333166. Its totient is φ = 51777720.

The previous prime is 103555427. The next prime is 103555451. The reversal of 103555442 is 244555301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244555301 = 167 ⋅1464403.

It can be written as a sum of positive squares in only one way, i.e., 62710561 + 40844881 = 7919^2 + 6391^2 .

It is a super-3 number, since 3×103555442³ (a number of 25 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 25888859 + ... + 25888862.

Almost surely, 2^103555442 is an apocalyptic number.

103555442 is a deficient number, since it is larger than the sum of its proper divisors (51777724).

103555442 is an equidigital number, since it uses as much as digits as its factorization.

103555442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51777723.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 103555442 is about 10176.2194355271. The cubic root of 103555442 is about 469.5959134341.

The spelling of 103555442 in words is "one hundred three million, five hundred fifty-five thousand, four hundred forty-two".