103443778 has 8 divisors (see below), whose sum is σ = 155506572. Its totient is φ = 51608256.

The previous prime is 103443773. The next prime is 103443787. The reversal of 103443778 is 877344301.

It can be written as a sum of positive squares in 2 ways, for example, as 101666889 + 1776889 = 10083^2 + 1333^2 .

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

It is not an unprimeable number, because it can be changed into a prime (103443773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55675 + ... + 57502.

Almost surely, 2^103443778 is an apocalyptic number.

103443778 is a deficient number, since it is larger than the sum of its proper divisors (52062794).

103443778 is a wasteful number, since it uses less digits than its factorization.

103443778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113636.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 103443778 is about 10170.7314387904. The cubic root of 103443778 is about 469.4270640526.

The spelling of 103443778 in words is "one hundred three million, four hundred forty-three thousand, seven hundred seventy-eight".