142404371 has 2 divisors, whose sum is σ = 142404372. Its totient is φ = 142404370.

The previous prime is 142404349. The next prime is 142404389. The reversal of 142404371 is 173404241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142404371 - 2⁶ = 142404307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142404371.

It is not a weakly prime, because it can be changed into another prime (142404331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71202185 + 71202186.

It is an arithmetic number, because the mean of its divisors is an integer number (71202186).

Almost surely, 2^142404371 is an apocalyptic number.

142404371 is a deficient number, since it is larger than the sum of its proper divisors (1).

142404371 is an equidigital number, since it uses as much as digits as its factorization.

142404371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 142404371 is about 11933.3302560517. The cubic root of 142404371 is about 522.2050972018.

The spelling of 142404371 in words is "one hundred forty-two million, four hundred four thousand, three hundred seventy-one".