142594873 has 2 divisors, whose sum is σ = 142594874. Its totient is φ = 142594872.

The previous prime is 142594853. The next prime is 142594883. The reversal of 142594873 is 378495241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98664489 + 43930384 = 9933^2 + 6628^2 .

It is a cyclic number.

It is not a de Polignac number, because 142594873 - 2¹³ = 142586681 is a prime.

It is a super-2 number, since 2×142594873² = 40666595611772258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142594853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71297436 + 71297437.

It is an arithmetic number, because the mean of its divisors is an integer number (71297437).

Almost surely, 2^142594873 is an apocalyptic number.

It is an amenable number.

142594873 is a deficient number, since it is larger than the sum of its proper divisors (1).

142594873 is an equidigital number, since it uses as much as digits as its factorization.

142594873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 142594873 is about 11941.3095178042. The cubic root of 142594873 is about 522.4378540740.

The spelling of 142594873 in words is "one hundred forty-two million, five hundred ninety-four thousand, eight hundred seventy-three".