142803769 has 2 divisors, whose sum is σ = 142803770. Its totient is φ = 142803768.

The previous prime is 142803707. The next prime is 142803809. The reversal of 142803769 is 967308241.

It is an a-pointer prime, because the next prime (142803809) can be obtained adding 142803769 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102010000 + 40793769 = 10100^2 + 6387^2 .

It is a cyclic number.

It is not a de Polignac number, because 142803769 - 2¹³ = 142795577 is a prime.

It is a super-2 number, since 2×142803769² = 40785832881210722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142803469) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71401884 + 71401885.

It is an arithmetic number, because the mean of its divisors is an integer number (71401885).

Almost surely, 2^142803769 is an apocalyptic number.

It is an amenable number.

142803769 is a deficient number, since it is larger than the sum of its proper divisors (1).

142803769 is an equidigital number, since it uses as much as digits as its factorization.

142803769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 142803769 is about 11950.0530961164. The cubic root of 142803769 is about 522.6928467117.

The spelling of 142803769 in words is "one hundred forty-two million, eight hundred three thousand, seven hundred sixty-nine".