142671873 has 16 divisors (see below), whose sum is σ = 193608576. Its totient is φ = 93434880.

The previous prime is 142671833. The next prime is 142671883. The reversal of 142671873 is 378176241.

It is not a de Polignac number, because 142671873 - 2¹⁰ = 142670849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142671833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66465 + ... + 68577.

It is an arithmetic number, because the mean of its divisors is an integer number (12100536).

It is a Proth number, since it is equal to 2177 ⋅ 2¹⁶ + 1 and 2177 < 2¹⁶.

Almost surely, 2^142671873 is an apocalyptic number.

It is an amenable number.

142671873 is a deficient number, since it is larger than the sum of its proper divisors (50936703).

142671873 is a wasteful number, since it uses less digits than its factorization.

142671873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504.

The product of its digits is 56448, while the sum is 39.

The square root of 142671873 is about 11944.5331846833. The cubic root of 142671873 is about 522.5318744625.

The spelling of 142671873 in words is "one hundred forty-two million, six hundred seventy-one thousand, eight hundred seventy-three".