142941787 has 2 divisors, whose sum is σ = 142941788. Its totient is φ = 142941786.

The previous prime is 142941737. The next prime is 142941791. The reversal of 142941787 is 787149241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142941787 - 2²³ = 134553179 is a prime.

It is not a weakly prime, because it can be changed into another prime (142941707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71470893 + 71470894.

It is an arithmetic number, because the mean of its divisors is an integer number (71470894).

Almost surely, 2^142941787 is an apocalyptic number.

142941787 is a deficient number, since it is larger than the sum of its proper divisors (1).

142941787 is an equidigital number, since it uses as much as digits as its factorization.

142941787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 142941787 is about 11955.8264875332. The cubic root of 142941787 is about 522.8611844551.

It can be divided in two parts, 14294 and 1787, that multiplied together give a triangular number (25543378 = T₇₁₄₇).

The spelling of 142941787 in words is "one hundred forty-two million, nine hundred forty-one thousand, seven hundred eighty-seven".