142874177 has 2 divisors, whose sum is σ = 142874178. Its totient is φ = 142874176.

The previous prime is 142874159. The next prime is 142874189. The reversal of 142874177 is 771478241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115584001 + 27290176 = 10751^2 + 5224^2 .

It is a cyclic number.

It is not a de Polignac number, because 142874177 - 2¹⁰ = 142873153 is a prime.

It is not a weakly prime, because it can be changed into another prime (142874197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71437088 + 71437089.

It is an arithmetic number, because the mean of its divisors is an integer number (71437089).

Almost surely, 2^142874177 is an apocalyptic number.

It is an amenable number.

142874177 is a deficient number, since it is larger than the sum of its proper divisors (1).

142874177 is an equidigital number, since it uses as much as digits as its factorization.

142874177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87808, while the sum is 41.

The square root of 142874177 is about 11952.9986614238. The cubic root of 142874177 is about 522.7787354610.

The spelling of 142874177 in words is "one hundred forty-two million, eight hundred seventy-four thousand, one hundred seventy-seven".