142873463 has 4 divisors (see below), whose sum is σ = 144260688. Its totient is φ = 141486240.

The previous prime is 142873453. The next prime is 142873481. The reversal of 142873463 is 364378241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142873463 - 2⁸ = 142873207 is a prime.

It is a super-2 number, since 2×142873463² = 40825652859224738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142873453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693458 + ... + 693663.

It is an arithmetic number, because the mean of its divisors is an integer number (36065172).

Almost surely, 2^142873463 is an apocalyptic number.

142873463 is a deficient number, since it is larger than the sum of its proper divisors (1387225).

142873463 is a wasteful number, since it uses less digits than its factorization.

142873463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387224.

The product of its digits is 96768, while the sum is 38.

The square root of 142873463 is about 11952.9687944042. The cubic root of 142873463 is about 522.7778646140. Note that the first 3 decimals are identical.

The spelling of 142873463 in words is "one hundred forty-two million, eight hundred seventy-three thousand, four hundred sixty-three".