142213263 has 16 divisors (see below), whose sum is σ = 191869440. Its totient is φ = 93689856.

The previous prime is 142213259. The next prime is 142213273. The reversal of 142213263 is 362312241.

It is not a de Polignac number, because 142213263 - 2² = 142213259 is a prime.

It is a super-2 number, since 2×142213263² = 40449224346214338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106506 + ... + 107832.

It is an arithmetic number, because the mean of its divisors is an integer number (11991840).

Almost surely, 2^142213263 is an apocalyptic number.

142213263 is a deficient number, since it is larger than the sum of its proper divisors (49656177).

142213263 is a wasteful number, since it uses less digits than its factorization.

142213263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its digits is 1728, while the sum is 24.

The square root of 142213263 is about 11925.3202472722. The cubic root of 142213263 is about 521.9713912478.

The spelling of 142213263 in words is "one hundred forty-two million, two hundred thirteen thousand, two hundred sixty-three".