142657263 has 24 divisors (see below), whose sum is σ = 247894400. Its totient is φ = 77227344.

The previous prime is 142657253. The next prime is 142657283. The reversal of 142657263 is 362756241.

142657263 is a `hidden beast` number, since 1 + 4 + 26 + 572 + 63 = 666.

It is not a de Polignac number, because 142657263 - 2⁶ = 142657199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142657213) 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 23 ways as a sum of consecutive naturals, for example, 58393 + ... + 60786.

Almost surely, 2^142657263 is an apocalyptic number.

142657263 is a deficient number, since it is larger than the sum of its proper divisors (105237137).

142657263 is a wasteful number, since it uses less digits than its factorization.

142657263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119211 (or 119208 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 142657263 is about 11943.9215921740. The cubic root of 142657263 is about 522.5140376104.

It can be divided in two parts, 14265726 and 3, that added together give a square (14265729 = 3777²).

The spelling of 142657263 in words is "one hundred forty-two million, six hundred fifty-seven thousand, two hundred sixty-three".