3780143 has 2 divisors, whose sum is σ = 3780144. Its totient is φ = 3780142.

The previous prime is 3780113. The next prime is 3780149. The reversal of 3780143 is 3410873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3780143 - 2⁶ = 3780079 is a prime.

It is a super-2 number, since 2×3780143² = 28578962200898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890071 + 1890072.

It is an arithmetic number, because the mean of its divisors is an integer number (1890072).

Almost surely, 2^3780143 is an apocalyptic number.

3780143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780143 is an equidigital number, since it uses as much as digits as its factorization.

3780143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3780143 is about 1944.2589848063. The cubic root of 3780143 is about 155.7767873870.

The spelling of 3780143 in words is "three million, seven hundred eighty thousand, one hundred forty-three".