142904851 has 2 divisors, whose sum is σ = 142904852. Its totient is φ = 142904850.

The previous prime is 142904849. The next prime is 142904891. The reversal of 142904851 is 158409241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142904851 - 2¹ = 142904849 is a prime.

Together with 142904849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142904891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71452425 + 71452426.

It is an arithmetic number, because the mean of its divisors is an integer number (71452426).

Almost surely, 2^142904851 is an apocalyptic number.

142904851 is a deficient number, since it is larger than the sum of its proper divisors (1).

142904851 is an equidigital number, since it uses as much as digits as its factorization.

142904851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 142904851 is about 11954.2817015494. The cubic root of 142904851 is about 522.8161449911.

The spelling of 142904851 in words is "one hundred forty-two million, nine hundred four thousand, eight hundred fifty-one".