143278103 has 2 divisors, whose sum is σ = 143278104. Its totient is φ = 143278102.

The previous prime is 143278013. The next prime is 143278117. The reversal of 143278103 is 301872341.

Together with previous prime (143278013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143278103 - 2¹⁴ = 143261719 is a prime.

It is a super-2 number, since 2×143278103² = 41057229598557218, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143278153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71639051 + 71639052.

It is an arithmetic number, because the mean of its divisors is an integer number (71639052).

Almost surely, 2^143278103 is an apocalyptic number.

143278103 is a deficient number, since it is larger than the sum of its proper divisors (1).

143278103 is an equidigital number, since it uses as much as digits as its factorization.

143278103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 143278103 is about 11969.8831656788. The cubic root of 143278103 is about 523.2709289954.

The spelling of 143278103 in words is "one hundred forty-three million, two hundred seventy-eight thousand, one hundred three".