142814873 has 2 divisors, whose sum is σ = 142814874. Its totient is φ = 142814872.

The previous prime is 142814851. The next prime is 142814899. The reversal of 142814873 is 378418241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 16297369 = 11248^2 + 4037^2 .

It is a cyclic number.

It is not a de Polignac number, because 142814873 - 2⁶ = 142814809 is a prime.

It is a super-2 number, since 2×142814873² = 40792175900012258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142814173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71407436 + 71407437.

It is an arithmetic number, because the mean of its divisors is an integer number (71407437).

Almost surely, 2^142814873 is an apocalyptic number.

It is an amenable number.

142814873 is a deficient number, since it is larger than the sum of its proper divisors (1).

142814873 is an equidigital number, since it uses as much as digits as its factorization.

142814873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 38.

The square root of 142814873 is about 11950.5176875314. The cubic root of 142814873 is about 522.7063940454.

The spelling of 142814873 in words is "one hundred forty-two million, eight hundred fourteen thousand, eight hundred seventy-three".