142764877 has 2 divisors, whose sum is σ = 142764878. Its totient is φ = 142764876.

The previous prime is 142764847. The next prime is 142764893. The reversal of 142764877 is 778467241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132848676 + 9916201 = 11526^2 + 3149^2 .

It is a cyclic number.

It is not a de Polignac number, because 142764877 - 2²³ = 134376269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142764847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71382438 + 71382439.

It is an arithmetic number, because the mean of its divisors is an integer number (71382439).

Almost surely, 2^142764877 is an apocalyptic number.

It is an amenable number.

142764877 is a deficient number, since it is larger than the sum of its proper divisors (1).

142764877 is an equidigital number, since it uses as much as digits as its factorization.

142764877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 526848, while the sum is 46.

The square root of 142764877 is about 11948.4257122016. The cubic root of 142764877 is about 522.6453913443.

It can be divided in two parts, 142764 and 877, that added together give a square (143641 = 379²).

The spelling of 142764877 in words is "one hundred forty-two million, seven hundred sixty-four thousand, eight hundred seventy-seven".