142845263 has 12 divisors (see below), whose sum is σ = 157417848. Its totient is φ = 128550240.

The previous prime is 142845259. The next prime is 142845293. The reversal of 142845263 is 362548241.

It is not a de Polignac number, because 142845263 - 2² = 142845259 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142845253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130145 + ... + 131237.

It is an arithmetic number, because the mean of its divisors is an integer number (13118154).

Almost surely, 2^142845263 is an apocalyptic number.

142845263 is the 6389-th centered heptagonal number.

142845263 is a deficient number, since it is larger than the sum of its proper divisors (14572585).

142845263 is a wasteful number, since it uses less digits than its factorization.

142845263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1213 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 142845263 is about 11951.7891129320. The cubic root of 142845263 is about 522.7434674967.

The spelling of 142845263 in words is "one hundred forty-two million, eight hundred forty-five thousand, two hundred sixty-three".